A water molecule (H2O) is made of ____________atoms.

True or False Oxygen atoms have a stronger attraction for electrons

A electronegative atom has a ________ attraction for electrons.

Attraction between particles of same substances.

A measure of the strength of water's surface.

Attraction between two different substances.

Vaporization is...

A phase change from a solid to a liquid requires the _________ of energy

A phase change from a liquid to a solid...

A phase change is always_____________ because it can be reversed.

Anything that has mass and volume.

The energy of particles in a liquid is ______________ the energy of the particles in a solid.

Ice is an example of matter in the __________________ state.

Most matter ________________ when heated.

Matter that has no definite volume of shape.

Matter that has a definite volume but no definite shape.

Matter that has a definite volume and definite shape.

Physical Change...

Chemical change...

When something reacts with oxygen

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