Term
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Definition
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Fundamental substance which can be broken down into simpler substances by normal chemical (non-atomic means)
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Term
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Definition
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How many naturally occuring elements are there?
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Term
| 1. Oxygen
2. Hydrogen
3. Nitrogen
4. Carbon |
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Definition
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What 4 elements are found in large amounts of living things?
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Term
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Definition
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Positively charged; located in the atomic nucleus
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Term
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Definition
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Uncharged; located in the atomic nucleus.
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Term
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Definition
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Negatively charged; constantly moving in defined orbitals around the atomic nucleus.
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Term
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Definition
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The number of protons in the nucleus.
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Term
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Definition
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Sum of the number of protons and neutrons in an atomic nucleus.
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Term
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Definition
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Atoms of the same element that have different numbers of neutrons.
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Term
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Definition
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Electrons are grouped into _________.
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Term
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Definition
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Subshells are grouped into ________.
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Term
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Definition
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An atom's outermost shell.
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Term
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Definition
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An atom tends to gain or lose electrons until there are eight electrons in its outer shell. What is this called?
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Term
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Definition
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These elements have completed outer shells and therefore tend to be chemically inert.
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Term
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Definition
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S subshells have ___ orbital(s).
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Term
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Definition
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P subshells have ___ orbital(s).
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Term
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Definition
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D subshells have ___ orbital(s).
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Term
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Definition
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Each orbital holds upto how many electrons?
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Term
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Definition
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An atom that has gained or lost one or more electrons and thus gained a net charge.
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Term
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Definition
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Term
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Definition
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Term
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Definition
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A chemical bond that's formed by the association of oppositely charged ions.
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Term
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Definition
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A chemical bond formed by sharing 1 or more electrons.
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Term
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Definition
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Which bonds are stronger?
Ionic or Covalent
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