Match all the terms that apply to each element. Some terms may apply to more than one element. a. Main group element
b. halogen
c. noble gas
d. inner transition element
e. alkaline earth
f. Non-metal
g. Alkali metal
h. Metalloid
i. Metal

1. Titanium
2. Gold
3. Argon
4. Thallium

Titanium - Metal

Gold - Metal

Argon - noble gas

Thallium - Metal

Explanation:

A metal is a species that easily looses electrons to yield a positive ion. Metals are found in the left hand side of the periodic table.

Thallium is a groups 13 metal, gold is a group 11 metal while titanium is a 4 metal.

However, argon is a noble gas hence it belongs to groups 18 of the periodic table.

the answer is d. 74.02