Question

1-54 write the chemical symbol for each member of the following pairs of elements.

a. copper and cobalt

b. potassium and phosphorus

c. iron and iodine

d. silicon and silver

Explanation:

Part a

Step1: Recall copper's symbol

Copper's chemical symbol is Cu (from Latin "cuprum").

Step2: Recall cobalt's symbol

Cobalt's chemical symbol is Co.

Step1: Recall potassium's symbol

Potassium's chemical symbol is K (from Latin "kalium").

Step2: Recall phosphorus's symbol

Phosphorus's chemical symbol is P.

Step1: Recall iron's symbol

Iron's chemical symbol is Fe (from Latin "ferrum").

Step2: Recall iodine's symbol

Iodine's chemical symbol is I.

Answer:

Copper: Cu; Cobalt: Co

Part b