CHEMISTRY HIGH SCHOOL

What is the maximum number of orbitals in a p sublevel? a. 2
b. 3
c. 4
d. 5

Answers

Answer 1
Answer:

Answer:

b. 3

Explanation:

Each level has its electrons distributed in different sub-levels, which can be of four types: s, p, d, f

In each sub-level, there is a certain number of orbitals that can contain a maximum of 2 electrons each.

For example, the sub-level s can only contain 2 electrons, therefore it has only one orbital.

The sub-level p can contain 6 electrons, and since each orbital can contain a maximum of 2 electrons it means that the sub-level p has 3 orbitals.
Answer 2
Answer: b.3 is what i believe from what i read

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What is the average time it took for the tablet to
dissolve in cold water?

Answers

Answer:

It might take 20-30 seconds to dissolve in water

Explanation:

isotopes are atoms that contain the same number of protons but a different number of neutrons in their nuclei. based on this information, which statement about isotopes is true? a. isotopes are atoms of the same element. b. isotopes are atoms that have the same mass number. c. isotopes are atoms of different elements that have similar chemical and physical properties. d. isotopes are atoms of different elements that belong to the same family on the periodic table.

Answers

c)Chemical properties of elements are primarily determined by the electrons but not by the neutrons. Therefore, the Isotopes of the same element have similar chemical behavior.

classify each orbital diagram for ground-state electron configurations by the rule or principle it violates.

Answers

The correct answer for the question that is being presented above is this one: see attached picture. Each orbital diagram for ground-state electron configurations by the rule or principle it violates: Aufbau violation, Hand violation, Pauli violation.

Assume that the arrangement as 1 - 5, then
Aufbau Violation = 5 & 2
Hand Violation = 3 & 4
Pauli Violation = 1
The question is incomplete:
Complete question is attached below:
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Answer 1: 
In the first case, two electrons in the 1st 2p sub-shell has both the electrons with same electron spin. This is a violation of Pauli's exclusion principle, according to which, orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.

 Answer 2: 
In the second case, 3s and 3p orbital is incompletely filled. This is a violation of Hund's rule. According to Aufbau Principle, orbitals of lower energy get filled first and than orbital of higher energy. Hence, in present case, 3s orbital must be completely filled first and then electron must 3p orbital.

Answer 3: 
In the 3rd case, the first sub-shell of 2p orbital has two electrons, while all other sub-shell is empty. This is a violation of Hund's rule, according to which all orbitals will be singly occupied before any is doubly occupied. Hence, in present case, there should be one electron present in each sub-shell of 2p orbital.

Answer 4: 
In the forth case, 4s and 4p orbital are filled first and 3d orbital is filled. This is a violation of Aufbua principle. Because, according to Aufbua principle orbital of lower energy are filled first. In present case, 3d orbital has lower energy as compared to 4s and 4p orbital. 

What do you mean by metallic bond?

Answers

Answer:

_________________________________________________

METALLIC BOND:

Metallic Bond is basically a electrostatic force of attraction between the metal ions which are arranged in a lattice(Lattice is a regular repeating pattern) and the free electrons floating around the metal ions.

_____________________________________

PROPERTIES OF METALLIC BOND:

1- Metals are good conductors of heat and electricity

2- Metals are ductile

3- Metals are malleable

4- Metals are solid at room temperature

5- Metals Possess Metallic luster

_____________________________________

36 Which compound has the highest percent com­position by mass of strontium?(1) SrC12 (2) SrI2 (3) SrO (4) SrS

Answers

To solve this problem we must first find the masses of each individual compound. Then we can use the following equation:
(mass of strontium) / (mass of compound) * 100% = (percent mass of Strontium)

1. The mass of strontium is 87.62 and the mass of Chlorine is 35.45. There are 2 chlorine atoms in the compound, so 35.45*2 = 70.9. Add the strontium to get the mass of compound. 70.9 + 87.62 = 158.52. Now, we can use the equation. 

87.62 / 158.52 * 100% = 55.27% Strontium

2. There are 2 Iodine atoms in the compound, and the molar mass of Iodine is 126.9. The mass of the compound is 126.9 + 87.62 = 214.52. Now, we can use the  equation

87.62 / 214.52 * 100% = 40.84% Strontium

3. The molar mass of Oxygen is 16, and there is only one oxygen atom. So the mass of the compound will be 16 + 87.62 = 103.62. Now we can use the equation.

87.62 / 103.62 * 100% = 85.46% Strontium

4. Finally, the molar mass of sulfur is 32.06, and there is only one sulfur atom in the compound, so the mass will be 32.06 + 87.62 = 119.68. Now we can use the equation

87.62 / 119.68 * 100% = 73.21% Strontium

Therefore, the answer is 3 because it has the highest percentage of Strontium than the other compounds. Hope this helped!! :D

if you could place a piece of sold silver into a container of liquid silver, would it float or sink? explain your answer

Answers

a solid has more 'stuff' in it in the same volume, it would take up less space and make it more weight per amount of space
this would make it denser than the liquid silver
that means that it would sink
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