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3 years ago

What is the atomic mass of mercury?

Chemistry

2 answers:

wlad13 [49]3 years ago

8 0

The answer is 80 atomic mass

myrzilka [38]3 years ago

5 0

The atomic mass of mercury is 200.59 amu.

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What is Natural Fur made from?

ser-zykov [4K]

Answer:

Sources. Common animal sources for fur clothing and fur trimmed accessories include fox, rabbit, mink, raccoon dogs, muskrat, beaver, stoat (ermine), otter, sable, seals, cats, dogs, coyotes, wolves, chinchilla, opossum and common brushtail possum.

Explanation:

7 0

3 years ago

Electrons are found _____ of the atoms and have _____ charge

Basile [38]

Answer:

shell and negative

Explanation:

atoms have two parts the necules part and the shell part electron found on the shell

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4 years ago

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Why do graphite and diamond appear to be different substances if they are composed of the same atom?

Alekssandra [29.7K]

Answer:

Diamond and graphite are allotropes of carbon.

Explanation:

Diamond has a close packed crystal structure which is responsible for its extreme hardness. In it, each carbon atom is sp³ hybridised and bonded to four other carbon atoms in a tetrahedral arrangement. Diamond has a hardness of 10 on mohs scale with a cubic crystal form.

Note: allotropes of an element have different molecular structure.

Graphite on the other hand is made up of layers of hexagonal structure that are weakly bonded by van-der-waals forces. This layered arrangement explains its softness/slippery feeling and hence it is used as a lubricant. In each layer, each carbon atom is sp² hybridised and bonded to three other carbon atoms in a trigonal planar arrangement.

The presence of $\pi$ electrons in the layers accounts for its ability to conduct electricity.

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3 years ago

If I were to draw an electron configuration for a bromine (Br) atom, what is the highest energy level I would reach?

dimaraw [331]

Answer:

Explanation:

3s < 3p < 4s < 4p

This arrangement is in order of increasing energy.

This explains that, 4p is the highest energy level you can reach.

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3 years ago

The discovery of a very early form of helium supports the big bang theory because _____.

Amiraneli [1.4K]

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The discovery of early helium supports the Big Bang Theory because helium is something that would have been a product of a large explosion. Helium is also the most proliferate element in the universe.

Explanation:

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3 years ago

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