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natima [27]
3 years ago
5

A horizontal row on the periodic table is called a______________________? Please help !!!!!!!!

Chemistry
2 answers:
ad-work [718]3 years ago
7 0

Answer:

Period

Explanation:

horizontal is a period and verticle is a group

Debora [2.8K]3 years ago
7 0

Answer: There called periods.

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The answer to your question is letter b) He and Ne

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A C and F  These elements do not have similar properties because C is in group 4A and F is in group 7A. This is not the right answer.

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C Al and Si  These elements do not have similar properties because Al is in group 3A and Si is in group 4A. This is not the right answer.

D N and S These elements do not have similar properties because N is in group 5A and S is in group 6A. This is not the right answer.

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