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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Element |
A pure substance that contains only one type of atom. |
A pure substance that... |
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Compound |
Two or more types of atoms chemically bonded together. |
Two or more types of atoms... |
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Molecule |
A group of two or more atoms held together by chemical bonds. |
A group of two or more atoms... |
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Atomic number |
The number of protons in the nucleus of an atom. |
The number of ... |
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Isotope |
Different form of the same element that has the same number of protons but a different number of neutrons. |
Different form of the same element that... |
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Mass number |
The number of protons and neutrons in the nucleus of an atom. |
The number of protons and... |
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Physical change |
A change in the properties of a substance but where the substance itself does not change. |
A change in the properties of a substance but where the... |
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Chemical reaction |
Bonds in which the reactants are broken and new bonds form to make new products |
Bonds in which the reactants are broken and... |
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Ion |
Charged particles which are formed when an atom loses or gains electrons. |
Charged particles which are formed when... |
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Anion |
A negatively charged ion that is formed when it's atom gains an electron. |
A negatively charged ion that... |
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Cation |
A positively charged ion that is formed when it's atom loses an electron. |
A positively charged ion that... |
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Valence shell |
The outermost electron shell which contains electrons. |
The outermost ... |
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Ionic bond |
The electrostatic attraction between positive and negative ions. |
The electrostatic attraction between... |
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Ionic lattice |
The giant 3D structure of alternating positive and negative ions. |
The giant 3D structure of... |
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Covalent bond |
The attraction between the nuclei of two atoms which share pairs of electrons. |
The attraction between the nuclei of two... |
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Isomer |
Molecules with the same molecular formula but a different arrangement of atoms. |
Molecules with the same... |
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Alkali metals |
The reactive metals in group 1 of the periodic table |
The reactive metals in group ... |
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Period |
The name for the vertical columns of the periodic table. |
The name for the vertical... |
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Group |
The name for the horizontal rows of the periodic table. |
The name for the horizontal... |
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Transition metals |
The metals in the central block of the periodic table. |
The metals in the ... |
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Noble gases |
The unreactive gases in group 8 of the periodic table. |
The unreactive gases in group... |
