Periodic Table

Front

The atomic number of an element tells the number of _____ in the nucleus of an atom of that element. Options: protons, neutrons, electrons, isotopes

Back

protons

Front

What period is Lead (Pb) in?

Back

6

Front

What category is silicon (Si) a part of? Options: Metal, Nonmetal, Metalloid, Halogens

Back

Metalloid

Front

What Element is in period 4, group 5A/15?

Back

Arsenic

Front

What group or family is Mercury (Hg) in?

Back

Transition Metals

Front

Which is a halogen? Options: Helium, Chlorine, Oxygen, Neptune

Back

Chlorine

Front

The Modern Periodic Table of Elements is arranged by: atomic mass, atomic number, valence electrons, number of isotopes

Back

atomic number

Front

What are the horizontal (side to side) rows in the Periodic Table called?

Back

periods

Front

Who invented the Periodic Table?

Back

Mendeleev

Front

How did Mendeleev arrange the elements?

Back

atomic mass