Question

2. Periods are the horizontal rows of
elements
O
True
O
False
.
​

Answer 1

Answer:

True

Explanation:

In the periodic table of elements, there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families. The most common way the periodic table is classified by metals, nonmetals, and metalloids.

Answer 2

Answer: true...is a answer...

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