Periodic Table Test Review 8.5ABC

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & neutrons

• protons & electrons
• neutrons & electrons
• electrons & protons

The subatomic particle with a neutral charge is:

• proton

• electron

• neutron

• cloud

What type of subatomic particles are found in the cloud?

• neutrons
• electrons
• protons
• reactions

Tags

NGSS.HS-PS1-1

If you subtract the atomic mass (rounded) and the atomic number, you calculate...

• the number of protons & neutrons in the nucleus

• the number of electrons in the cloud

• the number of neutrons in the atom's nucleus

• the number of protons in the atom's nucleus

If an atom has 24 protons and 24 electrons, what is the atomic number of this element?

• 24
• 48
• 0
• 42

How many protons does this element have?

• 40
• 21
• 20
• 41

Tags

NGSS.MS-PS1-1

The number of protons is equal to 

• the atomic number
• the number of neutrons
• the energy levels
• the periodic table groups

Rows on the periodic table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

Electrons in the outermost energy level are called...

• Valence Electrons

• Protons

• Neutrons

• Electrons

Elements in the same _________ have the same number of valence electrons.

• Period

• Group