A row of elements on a periodic table is called a(n)

A: group ***
B: Period
C: valence
D: orbital

Is this right?

5 answers

period is:
A horizontal row in the periodic table, which signifies the total number of electron shells in an element's atom.

group is:
A vertical column in the periodic table, which signifies the number of valence shell electrons in an element's atom.

does that help?
1. B
2. A and D
3. B. D. and E.
4. D
5. C. D. and E.
6. A. and B.
7. C.
8. B.
9. B.
10. D

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B: period