Answer:
B. Each electron has its own "address."
Explanation:
This is the correct answer.
Good luck with the rest, and have a good day : )
Each electron has its own "address." Therefore, the correct option is option B among all the given options.
What is quantization?The elementary electric charge of the electron is a negative one, making it a subatomic particle. Due to their lack of components or substructure, electrons, which are part of the lepton particles family's first generation, are typically regarded to be elementary particles. The mass of an electron is roughly 1/1836 that of a proton.
The electron has a half-integer intrinsic rotational momentum that is represented in terms of the decreased Planck constant,, among its quantum mechanical features. The rule of exclusion developed by Pauli states that because electrons are fermions, no two of them may be in the same quantum state. Since they're capable of collide against other particles as well as can be bent like light, electrons, like all primary particles, display both wave and particle characteristics. Each electron has its own "address."
Therefore, the correct option is option B.
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Planets that will sink in water ?
Answer:
Any planet that is made up of mostly rock.
Help PlS AFAP and thank you so much
the answer is B transfer thru direct contact
ASAP. I will give brainlies to right answer!!! Three grams of the same substance in different phases are stored in three different containers. Each container is barely large enough to hold the substance.
Which statement can be known about the behavior of the atoms in each container?
The atoms in the solid would be moving vigorously around the container.
The atoms in the liquid would be vibrating in position.
The atoms in the solid would be vibrating in position.
The atoms in the gas would be moving slowly around the container.
Answer:
The atoms in the solid would be vibrating in position.
Explanation:
i took the test
Three grams of the same substance in different phases are stored in three different containers. Each container is barely large enough to hold the substance. Therefore, the correct option is option B.
What is atom?Atom, the smallest unit of matter that may be separated without releasing electrically charged particles. It is also the tiniest unit of matter with the characteristics of a chemical substance. As a result, the atomic is the fundamental building component of chemistry.
The majority of the molecule is empty space. The rest of the structure is made up of a positive-charged nucleus of neutrons and protons surrounding by a swarm of negative-charged electrons. In comparison to electrons, the lightest charge particles in nature, nuclear nucleus is small yet dense. The atoms in the liquid would be vibrating in position.
Therefore, the correct option is option B.
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Determine the mass defect for the following atom. The mass of a 20 Ne atom is 19.992 44 amu.
Answer:
I will not consider electronic mass here. We know (the masses should have been provided in the question!) that the neutron mass is
1.008701
⋅
amu
and the proton mass is
1.007316
⋅
amu
.
Explanation:
Question answered
If the titration of 0.8094 g of 100% pure
KHP requires 40.25 mL of NaOH, what
is the concentration of the NaOH
solution? Remember KHP is potassium
hydrogen phthalate, KHC2H4O4. Show
this calculation in your lab notebook.
Answer:
Explanation:
molecular weight of potassium hydrogen phthalate = 204
.8094 g of KHP = .8094 / 204 = 3.967 x 10⁻³ moles
3.967 x 10⁻³ moles of KHP must have reacted with 3.967 x 10⁻³ moles of NaOH
concentration of NaOH = 3.967 x 10⁻³ / 40.25 x 10⁻³
= .098 M .
What is the solution to the equation below, rounded to the correct number of Significant figures? 4700 L - 281.4 L = ___ L
Answer:
46
Explanation:
Answer: 4418.6
Explanation:
Which of the elements listed below would
require the least amount of energy to remove an
electron?
Beryllium
Calcium
Lithium
Sodium?
Answer:
Lithium would require the least amount of energy to remove an electron
Answer:
The answer is actually sodium
Explanation:
Lithium actually requires more than sodium.
What is the frequency of a photon of light (in Hz) that has an energy of 2.50 x 10-18 J?
Answer:
The answer is
[tex]3.77 \times {10}^{15} \: \: \: Hz[/tex]
Explanation:
The frequency of the photon can be found by using the formula
[tex]f = \frac{E}{h} \\ [/tex]
where
E is the energy
f is the frequency
h is the Planck's constant which is
6.626 × 10-³⁴ Js
From the question
E = 2.50 × 10^-18 J
So we have
[tex]f = \frac{2.50 \times {10}^{ - 18} }{6.626 \times {10}^{ - 34} } \\ [/tex]
We have the final answer as
[tex]3.77 \times {10}^{15} \: \: \: Hz[/tex]
Hope this helps you
A molecule that has a linear shape has two electron domains around the central atom. How
many lone pairs of electrons are present around the central atom?
A. zero
B. one
C. two
D. three
Answer:
C I think.
Explanation:
Sorry if it's wrong :(
Match the descriptions below with the graphs. Be sure to explain your answers.
"During a chemical reaction, you must have the same amount of substance
on both sides of the quation" This statement is the definition for the *
Answer:
This statement is the definition of law of conservation of mass.
Explanation:
Law of conservation of mass:
According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.
This law was given by French chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.
For example:
In given photosynthesis reaction:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.
Let us consider the general chemical reaction.
A + B → C
5g + 5g 10g
How many moles are in 2.16 x 1026 atoms of magnesium?*
Answer:
The answer is 358.80 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\ [/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{2.16 \times {10}^{26} }{6.02 \times {10}^{23} } \\ = 358.80398671...[/tex]
We have the final answer as
358.80 molesHope this helps you
What is the major threats to Philippines' aquatic biomes? As a student how can you help in preventing or combating this/these threat/s?
Answer:
Overfishing
Explanation:
The aquatic biomes of the Philippines' are rich in coral reefs and other aquatic animals but they are under major threat due to pollution and overfishing.
Pollution is caused by industrial factories and coastal developments. Industrial factories fed all it waste in the aquatic biomes and coastal developments due to the increasing population of the Philippines causes mass pollution by the dumping of waste materials and sedimentation.
Overfishing exploits the fish species and also affects the food cycle in aquatic biomes.
As a student, we can spread awareness by conducting awareness campaigns and can take the help of news channels to let people know the consequences of aquatic biomes exploitation. We can also use social media which is popular nowadays to introduce facts about the causes and consequences of aquatic biomes exploitation.
Is br a magnetic or non magnetic
Answer: Non-magnetic
Explanation:
Answer:
br is a non magnetic. hope this helps.
which group of substances are elements?
A.Air,water,cooking oil
B.carbondioxide,water,table salt
C.carbon,hydrogen,oxygen
D.rock,soil,iron ore
Answer:
C
Explanation:
(A+B) are compounds and D is mixtures
How would you expect a positive particle approaching another positive particle to behave?
Answer:
They would produce a repulsive force to another
Explanation:
A positive particle approaching another positive particle will repulse it.
According to coulomb's law "like charges repel one another and unlike charges attract".
A charge is an intrinsic property of any matter.
When like charges e.g positive and positive or negative and negative charges are in the vicinity of one another, they repel each other.
When unlike charges; positive and negative are brought together, they simply attract one another.
Therefore, we expect that a positive particle approaching another positive particle will repel one another.
When a positive particle approaches another positive particle, the two particles repel or move away from each other.
In electrostatics we know that like charges repel while unlike charges attract. Therefore when we have two like charges, they simply move away from each other. This is known as repulsion of charges.
Hence, two positive charges approaching each other will simply move away and repel each other according to the laws of electrostatics.
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QUESTION 1
Consider the following reaction: CH4 + 202 --> 2H2O + CO2
How many moles of water can be formed from 1.1 moles of CH4?
in an experiment it was found that the total charge on an oil
drop was 5.93 X 10^-18 C How many negative charges does
the drop contain? (#51)
Answer:
37 negative charges.
Explanation:
We're being asked to determine how many negative charges a drop contains from an oil drop experiment where the total charge was 5.93x10-18 C. The drop contains 37 negative charges.
It was stated and identified that we are to attempt question #51 alone.
From the given information;
The total charge on an oil drop = 5.93 × 10⁻¹⁸ C
According to Oil drop experiment carried out by Robert Milliken in (1910);
In the oil drop laboratory experiment, It was possible for Him to substitute oil for water (because water quickly evaporate). Robert Milikan adjusted the electrical voltage among the two metal plates while the oil drop continues to drop until it stopped. When the drop was stopped, the gravitational downward force on the oil drop was equivalent to the electrical upward force on the charges thereby enabling Robert Millikan to be able to estimate the electrical charge drop.
Robert Milliken identified that the magnitude of a single negative electron charge is:
= 1.6 × 10⁻¹⁹ C
∴
If in an experiment, the total charge = 5.93 × 10⁻¹⁸ C
Then;
The number of negative charges in the oil drop can be calculated as;
[tex]\mathbf{=\dfrac{5.93 \times 10^{-18}}{1.6 \times 10^{-19}}}[/tex]
= 37.063 negative charges
Therefore, we can conclude that the numbers of negative charges contained in the total drop = 37.063.
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Distinguishing solutions and colloids
Which techniques would be best for separating the solute from the solvent in a solution ?
Answer:
Distillation will be the best method for the separation of solute from the solvent in a solution.
Explanation:
Solid sodium is reacted with chlorine gas and a crystalline solid was formed. The crystalline solid is evidence that
A. The sodium was broken down into tiny pieces by the chlorine.
B. The reaction caused impurities to fall out.
C. Elements bond in a multitude of ways to make compounds.
D. The chlorine solidified.
Answer:
C. Elements bond in a multitude of ways to make compounds.
What is the oxidation number of Oxygen?
-1
........... ..............
PLS HELP ITS URGENT
Some plant cells need energy to carry nutrients across the cell membrane. Which type of energy transformation does these plant cells use to bring the nutrient molecule inside the cell membrane?
thermal energy to kinetic energy
potential energy to light energy
chemical energy to kinetic energy
kinetic energy to potential energy
Answer:
Answer
The answer is option 4
The energy transformation during nutrients transportation across the cell membrane is transformation from chemical energy to kinetic energy, where the uphill and downhill movements of molecules based on concentration gradient carries the whole process.
What is energy transformation?The total energy in a system is always conserved. However, one form of energy can be transformed into another form. For example we uses electrical devices such as bulbs fan etc, wherever the energy transformation is getting way from electrical energy to light or mechanical energy.
In plant cells nutrient molecules and ions are balanced inside and outside the cell and hence they are transported across the cell membrane by a concentration gradient with a chemical energy produced by the molecules.
The chemical energy inside of the ions and molecules converts to kinetic energy to transport itself through downhill and uphill mechanisms with aid of various enzymes and electron channels.
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WILL mark Brainliest
Answer:
Ok what question
Explanation:
why is water a neutral substance
Answer: Water is considered neutral because the concentration of hydrogen and hydroxide ions is the same
Explanation:
Doing Calculations The metal thallium occurs naturally as 30 percent thallium-203 and 70
percent thallium-205. Calculate the atomic mass of thallium. Enter your numerical answer in
the blank provided please help
Answer:
Average atomic mass of thallium = 204.4 amu.
Explanation:
Given data:
Abundance of thallium-203 = 30%
Abundance of thallium-205 = 70%
Average atomic mass = ?
Solution:
Average atomic mass of thallium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100
Average atomic mass of thallium = (30%×203)+(70%×205) /100
Average atomic mass of thallium = 6090 + 14350 / 100
Average atomic mass of thallium = 20440 / 100
Average atomic mass of thallium = 204.4 amu.
Tobacco use: The _____ _______ cause of ______ death
Answer:
Tobacco use: The most preventable cause of cancer death
Explanation:
cancer might not be right
Lithium metal will react with aqueous aluminum sulfate. Write and balance the equation for this rxn, and then determine how many g of aluminum will result from 68.6 g lithium reacting with aluminum sulfate in excess.
Answer:
88.2 gram of aluminium .
Explanation:
6Li + Al₂ ( SO₄)₃ = 3Li₂SO₄ + 2Al
6 x 7 g 2 x 27 g
42 gram of lithium produces 54 gram of aluminium
68.6 gram of lithium will produce 88.2 gram of aluminium .
88.2 gram of aluminium will be produced.
Explain how scientists know the composition of the bottom layer of the cust?
As a seed plant grows, the roots grow downward due to the force of
Answer:
As a seed plant grows, the roots grow downward due to the force of Gravity
Explanation:
A seed is planted upside-down, but the roots still grow in the direction of gravity.
Answer:
Obviously, it's gravity
Explanation:
Because when saying moving downward, it means an object is moving down, and that is caused by gravity.If there is no gravity then it is called 0 gravity, meaning free from the ground.1)Fluorine-21 has a half life of approximately 5 seconds. If you start with 100g, how much
would remain after 10 seconds?
What’s the answr
Answer:
25 g
Explanation:
The following data were obtained from the question:
Half life (t½) = 5 s
Original amount (N₀) = 100 g
Time (t) = 10 s
Amount remaining (N) =..?
Next, we shall determine the decay constant for the disintegration. This can be obtained as follow:
Half life (t½) = 5 s
Decay constant (K) =.?
K = 0.693 / t½
K = 0.693 / 5
K = 0.1386 s¯¹
Finally, we shall determine the amount of the isotope that remained after 10 s as follow:
Original amount (N₀) = 100 g
Time (t) = 10 s
Decay (K) = 0.1386 s¯¹
Amount remaining (N) =..?
Log (N₀/N) = kt /2.303
Log (100/N) = (0.1386 × 10) / 2.303
Log (100/N) = 1.386 / 2.303
Log (100/N) = 0.6018
Take the anti log of 0.6018
100/N = antilog (0.6018)
100/N = 4
Cross multiply
100 = N × 4
Divide both side by 4
N = 100/4
N = 25 g
Therefore, the amount remaining after 10 s is 25 g