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7 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the mass and relative charge of a proton (positive)? |
Mass: 1, Relative Charge: +1 |
Positive charge |
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What is the mass and relative charge of a neutron (neutral)? |
Mass: 1, Relative Charge: 0 |
Neutral charge |
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What is the mass and relative charge of an electron (negative)? |
Mass: 1/2000, Relative Charge: - 1 |
Negative charge |
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Describe the build-up of electrons in shells |
The first shell can hold up to 2 electrons The second shell can hold up to 8 electrons The third shell can hold up to 8 elections Remember that once there is more than 2, electrons are usually found in pairs |
2, 8, 8 |
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What are the outer electrons in an atom called? |
Valency Electrons |
These are the electrons that you bond with |
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What does this following phrase mean?: 'Every atom has an equal number of protons and electrons' |
Neutral overall |
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Describe the proton number and the nucleon number |
Proton number = Number of protons Nucleon number = The number of protons and electrons Note: The nucleon number is also called the mass number Note: these numbers are usually called the mass number, with the nucleon number up the top and proton at the bottom |
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