Question

1. what family of elements am i in?

a. co
b. cl
c. ba
d. as
e. pm
f. fr
g. ts

Explanation:

Part a: Co (Cobalt)

Cobalt (Co) has an atomic number of 27. Elements with atomic numbers from 21 (Sc) to 30 (Zn) are transition metals. Cobalt falls in this range, so it belongs to the transition metals family.

Chlorine (Cl) has an atomic number of 17. Elements in group 17 of the periodic table are halogens. Chlorine is in group 17, so it belongs to the halogens family.

Barium (Ba) has an atomic number of 56. Elements in group 2 of the periodic table are alkaline earth metals. Barium is in group 2, so it belongs to the alkaline earth metals family.

Answer:

Transition Metals

Part b: Cl (Chlorine)