The correct answer is:
a. 7
The periodic table has 7 rows, known as periods.
How many rows are there in a periodic table?
a.
7
b.
8
c.
9
d.
10
1 answer
a.
7
b.
8
c.
9
d.
10
1 answer
The correct answer is:
a. 7
The periodic table has 7 rows, known as periods.
1 answer
1 answer
1 answer
1 answer