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Korvikt [17]
2 years ago
9

When sediment is eroded and then deposited at the mouth of a river, it can form a

Chemistry
1 answer:
wariber [46]2 years ago
7 0

Answer:

fossil?..................

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Elements in the third row can break the octet rule
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The image shows the representation of an unknown element in the periodic table. A square is shown. Inside the square twelve is w
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The combined mass of all the protons and electrons is 24.305.

Explanation:

From the information given about the atom, we can see that the relative atom mass of the element is 24.305.

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Atom is a neutral element found in nature without any charge. In other words, it has same number of Protons and electrons, whereas ion is a charged thing, either positive or negative. We can find their charge by:

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3 years ago
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∙CH3 + Cl2 → CH3Cl + Cl∙

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