CHEMISTRY HIGH SCHOOL

How many electrons can exist in the second shell surrounding an atomic nucleus?A. 1 or 2
B. 1 to 8
C. more than 8
D. It depends on what the element is.

Answers

Answer 1
Answer: It depends on what the element is. But the maximum number of electrons an atom can hold for its second shell is 8

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NEED HELP!!!!!!1s² 2s² 2p⁶ 3s² 3p⁵ is the electron configuration for which element? *

fluorine
chlorine
sulfur
bromine

Answers

1s² 2s² 2p⁶ 3s² 3p⁵ is the electron configuration for B)chlorine.

What are the 4 types of electron configuration?

The 4 special types of orbitals (s,p,d, and f) have distinctive shapes, and one orbital can hold a most of twoelectrons. The p, d, and f orbitals have different sublevels, accordingly can keep extraelectrons. As stated, the electronconfiguration of each detail is precise to its position on the periodic table.

In atomic physics and quantumchemistry, the electronconfiguration is the distribution of electrons of an atom or molecule (or different bodily structure) in atomic or molecularorbitals.

Learn more about electron configuration here: brainly.com/question/11316046

#SPJ2
Chlorine.

If you search Google images for "Aufbau principle periodic table," you'll find some handy diagrams that will make it much easier to determine an element based on its electron configuration. Determine the number of electrons in the last part of the configuration (in this case, 5), locate that group on the Aufbau periodic table diagram, then count that number from left to right within that group. In this case, within the "3p" portion of the Periodic table, count to 5 and you'll find Chlorine as the answer.

Need structural formula for each 12, HOCH a CH 1 Dipherylamine.

Answers

12) Ethylene glycol and Diphenylamine

attached images

hope this helps!

Without the sun, life on earth would not exist. There would be no warmth, no plants, no animals, no night and day. To power itself, the sun is constantly generating a nuclear reaction in its core, in which hydrogen nuclei are combined to form helium. This process is known as __________.
A) fusion
B) fission
C) radiance
D) solar flaring

Answers

Answer: Option (A) is the correct answer.

Explanation:

The process in which two or more small nuclei combine together to result in the formation of a larger nuclei is known as fusion.

In Sun, four hydrogen nuclei combine together to result in the formation of helium atom. This combining of small hydrogen nuclei to form a large helium nuclei represents fusion process occurring inside the Sun.

Thus, we can conclude that to power itself, the sun is constantly generating a nuclear reaction in its core, in which hydrogen nuclei are combined to form helium. This process is known as fusion.

Answer: -

Without the sun, life on earth would not exist. There would be no warmth, no plants, no animals, no night and day.

To power itself, the sun is constantly generating a nuclear reaction in its core, in which hydrogen nuclei are combined to form helium. This process is known as

A) Fusion

Fusion produces a lot of energy but very little radioactive waste.

Who wrote the banned book that Giordano Bruno read that gave him the idea that the universe was infinite?

Answers

steven soter was the one who wrote the book that gave Giordano Bruno the idea that unverse was infinite

The density of a liquid form of a material is always less than the density of the solid form of that same material true or false

Answers

Answer:

False

Explanation:

This property depends on the intermolecular interactions of the analyzed compound.

In most cases, this property is fulfilled, but one of the most important exceptions is water since ice cubes float in liquid water which means that its density is lower than that of liquid water.

This is due to one of the types of bonds that binds hydrogen bonds to water molecules.

Hydrogen bridges are a molecular interaction that occurs between the hydrogen in one molecule of water and the oxygen in another molecule.

Recall the formula of the density

d=(m)/(v)

The volume is inversely proportional to the density this means that the lower the volume the higher the density and the higher the volume the lower the density.

This type of bonding means that when the H_2O freezes there is more space between the molecules, then they occupy a larger volume

Therefore, if we have the same mass in the liquid state and the solid-state, the molecules in the liquid state will be closer together occupying less volume (higher density) and the molecules that are in the solid-state occupy a greater volume (lower density)
Almost always true. H2O is the exception as water is more dense than ice.

Which of the following statements is not true regarding acids?Most fruits contain weak acids.

Acids react with bases in neutralization reactions to produce water.

Acids can be both highly and mildly corrosive.

Active metals will react with acids in double replacement reactions.

Answers

The correct answer is the last option. Active metals will not react with acids in double replacement reactions. Instead, it reacts with metals via sing replacement reactions. It will displace hydrogen from the acid.
Active metals will react with acids in double replacement reactions. 

NH4+ 

increase the volume 
add a catalyst
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