Question

question 13 of 16
the statements either define or are closely related to the terms period or group. match the terms to the appropriate statements.
statement period or group
this is a vertical arrangement of elements in the periodic table.
this is a horizontal arrangement of elements in the periodic table.
element 19 begins this arrangement in the periodic table.
element 9 begins this arrangement in the periodic table.
answer bank
period group

Explanation:

1. In the periodic table, vertical columns are groups.
2. Horizontal rows are periods.
3. Element 19 (potassium) starts period 4.
4. Element 9 (fluorine) starts group 17.

Answer:

1. Group
2. Period
3. Period
4. Group