GENERAL STEPS IN WRITING CHEMICAL FORMULAS

Question 1

1. A compound is made up of a positive and a negative part in which the _____ part is the one that is written first.

Answer 1

positive

Question 2

There are 4 possible combinations:

Answer 2

a. ) Element + element (NaBr)
b. ) element + radical (KNO3)
c. ) radical + element (NH4Cl)
d. ) radical + radical (NH4NO3)

Question 3

2. Assign the symbol of the positive and the negative portion. This is called the _____. Write the valence of each part in the _____

Answer 3

oxidation state

right-hand corner

Question 4

3. Criss-cross each valence of the element.

Answer 4

Or Swap and Drop

Question 5

4. Since compound shows simplest, the ratio in which the positive and negative parts are combined. A____ s____

Answer 5

Always simplify

Question 6

5. When the ion is a polyatomic ion, the ____ is enclosed first in parenthesis before its subscript is written.

Answer 6

polyatomic ion