What branch of science studies The Periodic Table?  A. Biology
B. Earth Science
Chemistry

Atoms mover slower in the . *
A. heat
B. cold

Atoms move faster in the . *
A. heat
B. cold

A nucleus is made of and . *
A. protons and electrons
B. electrons and neutrons
C. protons and neutrons

Protons have what type of charge? *
A. neutral
B. negative
C. positive

Neutrons have what type of charge? *
A. neutral
B. negative
C. positive

Atoms have empty space. *
A. True
B. False

What is the center of an atom called? *
A. Neutron
B. Nitrogen
C. Nucleus

The atomic number represents the number of . *
A. protons
B. neutrons
C. electrons

What family of elements is most stable? *
A. metals
B. nonmetals
C. Nobel gasses

What scientist is credited with designing The Periodic Table? *
A. Albert Einstein
B. Isaac Newton
C. Dmitri Mendeleev

Atomic mass is found at the .
A. top of the square
B. the middle of the square
C. the bottom of the square

The Periodic Table has elements that are liquids, gasses, and solids. *
A. True
B. False

With an atomic number of 1, which element is the lightest? *

A. Helium
B. Xenon
C. Hydrogen
D. Radon