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Definition
| 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
| 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
| What 4 elements are found in large amounts of living things? |
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Term
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Definition
| Positively charged; located in the atomic nucleus |
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Definition
| Uncharged; located in the atomic nucleus. |
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Definition
| Negatively charged; constantly moving in defined orbitals around the atomic nucleus. |
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Definition
| The number of protons in the nucleus. |
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Definition
| Sum of the number of protons and neutrons in an atomic nucleus. |
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Term
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Definition
| Atoms of the same element that have different numbers of neutrons. |
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Term
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Definition
| Electrons are grouped into _________. |
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Term
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Definition
| Subshells are grouped into ________. |
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Term
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Definition
| An atom's outermost shell. |
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Term
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Definition
| 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
| These elements have completed outer shells and therefore tend to be chemically inert. |
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Term
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Definition
| S subshells have ___ orbital(s). |
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Term
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Definition
| P subshells have ___ orbital(s). |
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Term
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Definition
| D subshells have ___ orbital(s). |
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Term
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Definition
| Each orbital holds upto how many electrons? |
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Term
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Definition
| An atom that has gained or lost one or more electrons and thus gained a net charge. |
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Definition
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Definition
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Definition
| A chemical bond that's formed by the association of oppositely charged ions. |
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Term
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Definition
| A chemical bond formed by sharing 1 or more electrons. |
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Term
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Definition
Which bonds are stronger?
Ionic or Covalent |
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