Question

7.
The Language of Chemistry
formula
D. Complete the following
2.A......s an abbreviation of the name of an element.
2. A molecule of an element or a compound is represented by its
3. The valencies of the two elements of a binary compound are ...... to obtain its formula.
4. Atoms are neither lost nor...... in a chemical reaction.
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3. Choose the correct option
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Answer 1

Answer:

Explanation:

1)symbol

2)formula

3)interchanged

4)gained

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Answer 2

To write the formula of a binary molecular compound, first use the prefixes in the name to tell you the subscript of each element in the formula. Then, write the correct symbols for the two elements with the appropriate subscripts.