ionic bonds 2024

What is a solid?

• particles that are tightly compacted

• particles that are not tightly compacted

what is a gas?

• a substance or matter in a state in which it will expand freely to fill the whole of a container

• the basic unit of a chemical element

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

Atoms are always moving no matter what phase they are in: solid, liquid, gas.

• True

• False

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

What happens to molecules when the temperature drops or lowers?

• The molecules get closer together

• The molecules start moving faster.

• The molecules stop moving.

• The molecules become smaller.

Tags

NGSS.MS-PS1-4

The attraction between particles is greatest in

• solid

• liquid

• gas

• plasma

What is an ionic Bond

• When metals join

• when nonmetals join

• Force of attraction holding positive ions and negative ions together

• A bond made by sharing electrons

Tags

NGSS.HS-PS1-3

Ionic compounds are usually formed from _____.

• two nonmetals.

• a metal and a nonmetal.

• two metals.

Which word means conducts electricity when dissolved

• molecule

• mixture

• compound

• electrolyte

The following properties are all characteristics of ionic compounds EXCEPT

• high melting and boiling points

• soft

• crystal lattice structure

• conduct electricity when dissolved in water

Tags

NGSS.HS-PS1-3

Which of the following is a property of an ionic compound?

• Solid

• soft
• malleable
• liquid at room temperature