Atoms and Elements Quiz

What is the smallest particle of an element that retains the properties of that element?

• proton

• molecule

• atom

• cell

What is the center of an atom called, which contains protons and neutrons?

• centerpiece

• core

• nucleus

• hub

What is the atomic number of an element?

• The atomic number of an element is the number of isotopes in the nucleus of an atom.

• The atomic number of an element is the number of electrons in the nucleus of an atom.

• The atomic number of an element is the number of neutrons in the nucleus of an atom.

• The atomic number of an element is the number of protons in the nucleus of an atom.

What is the total number of protons and neutrons in the nucleus of an atom called?

• Atomic number

• Electron number

• Mass number

• Isotope number

Which subatomic particle has a positive charge?

• electron

• photon

• neutron

• proton

What is the horizontal row in the periodic table called?

• Period

• Column

• Group

• Line

What is the vertical column in the periodic table called?

• Section

• Group or family

• Row

• Category

What is the chemical symbol for Oxygen?

• Ox

• Oxg

• O

• Oxy

What is the chemical symbol for Gold?

• Au

• Hg

• Fe

• Ag

SIDE TO SIDE rows on the periodic table are

• groups

• periods