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kiruha [24]
3 years ago
6

What does the illustrated symbol on the element key mean?

Chemistry
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer: Each element has a symbol,one or two letters that represent the element much as your initials represent you. The symbol of an element represents one atom of that element. For 14 of the elements, the symbol consists of one letter.

Explanation:

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Choose all of the following that have at least 1 polyatomic ion in the compound
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Answer:

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Explanation:

A polyatomic ion refers to an ion composed of two or more atoms in the ion. In the compounds mentioned, each contains at least one poly atomic ion.

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7 0
3 years ago
Given the standard heats of reaction
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Answer:

Explanation:

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x mole of  O2 formed  = 2.475 mol of O2

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3 years ago
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