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11 Cards in this Set
- Front
- Back
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Atom |
The smallest building block of matter. |
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Atomic model consists of... |
Nucleous ,protons ,nuetrons ,electrons |
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ions |
Atoms with more or fewer electrons than protons. |
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Element |
A pure substance made of one kind of atom. |
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Compound |
The atoms from one element bonding with atoms from another element. |
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molecules |
Distinct particles formed by the combination of two or more atoms. |
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Physical Change |
When matter dosent change in a way that affects its chemical identity. |
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Chemical Change |
When a pure substance changes into another substance. |
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nuclear changes |
... |
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Fission |
When a heavy nucleous splits into smaller nuclei. |
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Fusion |
The smallest atoms smash together at high temps. in the solar plasma to form heavier nuclei. |
