Physical Science Trimester 2 Vocabulary

An ion is:

• a molecule with a neutral charge

• an atom or molecule with a net electric charge due to the loss or gain of one or more electrons

• a type of chemical bond

• a stable atom

A polyatomic ion is:

• a single atom with a positive or negative charge.

• a molecule with a net electric charge due to the loss or gain of one or more electrons.

• a neutral molecule with no charge.

• an atom with equal number of protons and electrons.

An ionic bond is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions.

• A type of bond involving sharing of electrons

• A type of bond involving electrostatic attraction between oppositely charged ions

• A type of bond involving the sharing of protons

• A type of bond involving the sharing of neutrons

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A covalent bond is a type of chemical bond where:

• electrons are shared between atoms

• electrons are transferred from one atom to another

• atoms are held together by magnetic forces

• atoms are held together by gravitational forces

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What is a molecule?

• A molecule is a group of atoms bonded together.

• A molecule is a single atom.

• A molecule is a type of chemical reaction.

• A molecule is a form of energy.

Tags

NGSS.MS-PS1-1

A nonpolar bond is:

• a bond with equal sharing of electrons between atoms

• a bond with unequal sharing of electrons between atoms

• a bond with complete transfer of electrons

• a bond with partial sharing of electrons

Tags

NGSS.HS-PS1-1

A polar bond is:

• a bond between two atoms with equal electronegativity

• a bond between two atoms with different electronegativity

• a bond that does not involve electrons

• a bond that is always ionic

An acid is a substance that:

• donates protons

• accepts electrons

• forms covalent bonds

• is always neutral

Corrosive means:

• harmless

• beneficial

• destructive

• colorful

An indicator is:

• a device that provides information about the state or condition of something.

• a type of question.

• a mathematical tool used for calculations.

• a form of entertainment.