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Which is the largest category of elements on the periodic table?

Ametals
Bmetalloids
Cnonmetals
Dnoble gases

What do the atoms of elements in the same period have in common?

AThey have the same number of protons.
BThey have the same number of neutrons.
CThey have the same number of electron shells.
DThey have the same number of electrons in their outermost shells.

Approximately how many elements are there that combine chemically in a great number of ways to produce compounds?

A25
B50
C75
D100

What are the rows of the periodic table of the elements also called?

Agroups
Bperiods
Cfamilies
Dcolumns

Verified Answer :

Q1) A: I would say metals, because in reality transition metals are the largest category on the periodic table, and transition metals are closest to metals.

Q2) D: This is a trend in all columns of the periodic table.

Q3) D: Every element on the periodic table can form compounds, and the amount of elements on the periodic table are approximated down to be about 100.

Q4) B: Periods is the answer. Groups are columns (vertical).

Answer: Question 1: A

              Question 2: B

              Question 3: 75

               Question 4: (B) periods

Explanation: Hope it helps

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