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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are atoms
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Tiny central Nucleus that contains protons and neutrons
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What do electrons do
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Travel around the outside of the atom in shells
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Protons are....
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Positive
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Electrons are...
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Negative
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Electrons
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Neutrons are...
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Neutral
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What are group 1
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Called Alkai metals , li NA K RB CA CS FR
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What do group 1 react with
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Water
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As you go down group 1 what is the reaction
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The reaction gets more explosive
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What are the physical properties of group 1
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Low melting point and boiling points
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What is the equation with water
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Metal + water > metal hydroxide + hydrogen
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What are group 7
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They are halogens, F CL BR L AT
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What are the physicals properties of group 7
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Have low melting point and boiling point as you go down the halogens get darker
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What do ionic compounds do
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Conduct electricity when Milton or solution because the ions can move
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When do positive ions form
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When atoms lose outer shell electrons
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What do negative ions from
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They gain outer shell electrons
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