Periodic Trends Vocabulary Review

Ionization energy is ____________________.

• the energy required to remove an electron from an atom

• the energy released when an atom gains an electron

• the energy required to add a neutron to an atom

• the energy released when an atom loses a proton

Tags

NGSS.HS-PS1-1

Electronegativity is ______________.

• the ability of an atom to attract electrons

• the ability of an atom to lose electrons

• the ability of an atom to gain protons

• the ability of an atom to repel neutrons

Tags

NGSS.HS-PS1-1

Electron affinity is ______________.

• the energy change when an electron is added to a neutral atom

• the energy change when a proton is added to a neutral atom

• the energy change when a neutron is added to a neutral atom

• the energy change when an electron is removed from a neutral atom

Tags

NGSS.HS-PS1-4

Atomic radius is ______________.

• the distance from the nucleus to the outermost electron

• the distance from the nucleus to the innermost electron

• the distance between two protons in the nucleus

• the distance between two neutrons in the nucleus

Ionic radius is ______________.

• the radius of an atom's ion

• the radius of an atom's nucleus

• the radius of an atom's electron cloud

• the radius of an atom's proton

Atomic mass is ______________.

• the mass of an atom's protons and neutrons

• the mass of an atom's electrons

• the mass of an atom's nucleus only

• the mass of an atom's neutrons only

Tags

NGSS.MS-PS1-1

Atomic number is ______________.

• the number of protons in an atom

• the number of neutrons in an atom

• the number of electrons in an atom

• the number of ions in an atom

Diatomic element is ______________.

• an element that naturally occurs as a molecule of two atoms

• an element that naturally occurs as a single atom

• an element that naturally occurs as a molecule of three atoms

• an element that naturally occurs as a molecule of four atoms

Tags

NGSS.MS-PS1-1

Valence electrons are ______________.

• the electrons in the outermost shell of an atom

• the electrons in the innermost shell of an atom

• the protons in the outermost shell of an atom

• the neutrons in the outermost shell of an atom

Tags

NGSS.MS-PS1-1

The outermost energy level is ______________.

• the highest energy level occupied by electrons

• the lowest energy level occupied by electrons

• the energy level closest to the nucleus

• the energy level with no electrons

Tags

NGSS.MS-PS1-1