This is a characteristic property, and is the temperature at which a solid changes state and becomes a liquid.

characteristics of substances that are used to describe and identify matter, such as size, shape, color, and ability to react to other chemicals

the energy of a substance heat, this increases as the temperature increases, causing the molecules to move faster

the change in state from a solid directly to a gas, and never passes through the liquid state (like dry ice)

a solid that forms during a chemical reaction when two or more liquids are mixed

when reading and writing chemical formulas, this is the small number after a chemical symbol that tells how many atoms of the element there are

this forms when two or more ELEMENTS chemically combine

this is created when two or more atoms chemically combine (the atoms can be of the same element, or they can be different

the smallest particle of an element that cannot be chemically broken down further

Occurs without altering the chemical makeup of a substance, such as dissolving sugar in water

when two or more substances chemically combine and form new substances (such as a gas); occurs when the bonds between atoms break or new ones form

the amount of matter an object contains

this state of matter has a definite shape and a definite volume; the particles are tightly packed in a fixed position

this state of matter is made of particles that are free to move around but stay close to one another

this state of matter has particles that move quickly and spread out to fill the container

Evidence of this is the formation of a gas

occurs when a liquid changes state to a gas, such as when water boils

occurs when a liquid changes state to a gas, such as when a water puddle slowly disappears throughout the day

the change in state when a gas cools and the molecules slow down to become a liquid

the amount of space that an object takes up

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