Question

given the period and group, you should be able to identify the following elements. please write the symbol for each element. 30__ period 4, group 5 31 period 1, group 18 32.__ period 6, group 14

Explanation:

Step1: Recall periodic - table knowledge

Elements are located in the periodic table based on their period (row) and group (column).

Step2: Identify element in Period 4, Group 5

Vanadium is in Period 4, Group 5. Its symbol is V.

Step3: Identify element in Period 1, Group 18

Helium is in Period 1, Group 18. Its symbol is He.

Step4: Identify element in Period 6, Group 14

Lead is in Period 6, Group 14. Its symbol is Pb.

Answer:

1. V
2. He
3. Pb