Periodic Table of Elements

The number of valence electrons an element has is equal to its:

• Period number

• Group number

• Valence number

• Atomic number

The number of electron shells an atom has is equal to the element's:

• Period number

• Group number

• Valence number

• Atomic number

Tags

NGSS.HS-PS1-1

The subatomic particles that are located the farthest from the nucleus are:

• Valence electrons

• Valence protons

• Periodic electrons

• Periodic protons

Tags

NGSS.MS-PS1-1

The number of electron shells an atom has is equal to the element's:

• Period number

• Group number

• Valence number

• Atomic number

The subatomic particles that are located the farthest from the nucleus are:

• Valence electrons

• Valence protons

• Periodic electrons

• Periodic protons

The Russian scientist who created one of the first periodic tables by using atomic mass was:

• Bohr

• Rutherford

• Mendeleev

• Thomson

The vertical columns on the periodic table that have common properties are called

• Groups

• Periods

• Shells

• Valences

The horizontal rows on the periodic table are called:

• Shells

• Periods

• Groups

• Horizontals

The total number of protons and neutrons in an atom's nucleus is equal to the:

• Atomic number

• Atomic mass

• Number of valence electrons

• Number of electron shells

Tags

NGSS.MS-PS1-1

The number of protons in the nucleus of an atom is equal to the:

• Atomic number

• Atomic mass

• Number of neutrons

• Number of valence electrons

Tags

NGSS.MS-PS1-1