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Olin [163]
3 years ago
5

PLEASE HELP!!!!!!!!!!!!

Chemistry
1 answer:
Nikitich [7]3 years ago
5 0

Answer:

1 : NA = 1    |      2 : N = 2  |     3 :  

N = 1          |       O = 5     |

O = 3         |                     |

Explanation:

im sorry but ion know the last one

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Answer:

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