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20 Cards in this Set
- Front
- Back
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Atoms = |
All subtances are made of atoms this cannot be chemically broken down it is the smallest part of an element. |
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Elements= |
Elements are made up if only one type of atom. |
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Compounds = |
Compounds contain more than one type of atom. |
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Mixture= |
Mixtures contain element and compounds. |
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Protons= |
Protons are postively charged. They are inside the nucleus. |
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Neutrons= |
Neutrons have no charge. They are inside the nucleus. |
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Mass Number= |
The Mass number tells us the number of protons and neutrons. |
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Atomic Number= |
The atomic number is the number of protons. |
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Nucleus= |
The nucleus contains protons and neutrons. |
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Electron Configuration= |
A shorthand way of respenting number of electrons in shells. |
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The periodic table= |
The periodic table contains elements with their own symbols. |
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Columns= |
Columns are called groups. |
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Groups= |
The groups in the periodic table have similar properties. |
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Rows= |
Rows are called periods. |
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Elements in the periodic table= |
Eelements in the same group have the same number of electrons in their outer shell so they have similar chemical properties. |
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Ionic Bonding: |
Metal and non-metals react.
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Metals: |
form postive ions. |
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Non-metals: |
form negative ions. |
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Metals: |
Lose Electrons. |
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Non-Metals: |
Gain Electrons. |
