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12 Cards in this Set
- Front
- Back
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electron cloud |
Area of space around the nucleus where an atom´s electrons travel. |
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energy levels |
The different areas for an electron in an atom. |
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electron dot diagram |
The symbol for the element surrounded by as many dots as there are electrons in its outer energy. |
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chemical bond |
The force that holds two atoms together. |
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ion |
An atom that is no longer neutral because it has lost or gained an electron called an.... |
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ionic bond |
A type of chemical bond that holds the ions close together. |
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compound |
A pure substance containing two or more elements that are chemically bonded. |
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metallic bond |
...forms when metal atoms share their pooled electrons. |
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covalent bond |
The chemical bond that forms between nonmetal atoms when they share electrons. |
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molecule |
The neutral particle formed when atoms share electrons. |
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polar bond |
...is a bond in which electrons are shared unevenly. |
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chemical formula |
...is a combination of chemical symbols and numbers that shows which elements are present in a compound and how many atoms of each element are present. |
