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17 Cards in this Set
- Front
- Back
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for an atom to be neutral, the number of protons must equal the number of
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electons
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all matter is made up of particles called
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atoms
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a __________________ property is a characteristic of something that allows it to change to something new
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chemical
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when a substance burns, matter
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is not created or destroyed
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the particles that make up an atom are
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protons, neutrons and electrons
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what are the 4 states of matter
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1) solid
2) liquid 3) gas 4) plasma |
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What is an example of physical properties?
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a. density
b. shape c. color |
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What is an example of a physical change?
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a. melting
b. evaporating c. solidifying |
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During chemical changes, matter is neither created nor
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destroyed
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________________ has mass and takes up space
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matter
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Matter can be divided into pure substances and
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mixtures
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matter is made up of
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atoms
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lucky charms
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mixture
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salt
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compound
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gold
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element
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koolaid
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mixture
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water
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compound
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