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The atom challenge
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The smallest building block of matter is..........?
The atom
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Protons have a negative charge. true or false?
false
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Is water a molecule, a compound or both?
both
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What charge do electrons have?
negative
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What is the chemical formula for water? Write it on the board.
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What is the chemical symbol for hydrogen?
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What is the chemical symbol for iron?
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What element can we find in blood?
Iron
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The smallest unit of matter is an element. true or false?
false
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What is the chemical formula of carbon dioxide? write it on the board
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What do we find in the nucleus of an atom?
protons and neutrons
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What is the region where the electrons orbit?
shells
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Where are protons and neutrons found?
In the nucleus
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Is a compound made up of only one type of atom? yes or no
no
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What would a carbon molecule look like? Draw it on the blackboard.
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What is the chemical symbol for oxygen?
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What charge do neutrons have?
neutral
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What is O2 (part of air), a molecule or a compound?
molecule
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How are atoms bonded together?
Chemical bonds
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Oxygen is an element. true or false?
True
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What is the chemical symbol for carbon?
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What charge do protons have?
positive
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