Chemistry Unit 1

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What charge does a neutron have?
Neutral
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What charge do protons have?
relative charge of +1
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What charge do protons have?
relative charge of -1.
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What is the number of the electrons in an atom equal to?
The number of electrons in an atom is equal to the number of protons in its nucleus
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What is the atomic number?
The atomic number of an atom is the number of protons it contains.
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What is the mass number?
The mass number of an atom is the total number of protons and neutrons it contains.
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Where is the mass numer?
At the top
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What is the shell pattern for the first 3 shells in an element?
2,8,8
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When different elements react, what do they form?
Compounds
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Making binds only involves what?
Electrons
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A compound formed from non-metals consists of what?
Molecules
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An atom sharing another electron with another atom is what type of bonding?
Covalent
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A compound formed from non metal and metals consists of what?
Ions
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An atom loosing or gaining an ion is called?
Ionic bonding
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Card 2

Front

What charge do protons have?

Back

relative charge of +1

Card 3

Front

What charge do protons have?

Back

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Card 4

Front

What is the number of the electrons in an atom equal to?

Back

Preview of the front of card 4

Card 5

Front

What is the atomic number?

Back

Preview of the front of card 5
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