Where are the protons and neutrons found in the atom?
The nucleus
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An atom has 6 electrons how many protons does it have?
6
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what is the charge of an atom
Neutral
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Copper has 2 stable isotopes cu-63 has an abundance (amount) of 69.2% and Cu-65 has an abundance of 30.8%. Calculate it's relative atomic mass to 1 D.p
63.6
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Define an isotope
An atom of an element which has a different number of neutrons but the same number of protons. So the mass number will be different
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What do the group numbers show?
Number of electrons on the outer shell
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What is the relative charge of a proton
positive
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what do the Periods/Columns show?
Number of energy levels (shells)
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what is the process called when a solid is turned straight into a gas?
Sublimation
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What is diffusion
when the particles move from an area of high concentration to an area of low concentration
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What is a mixture?
Substance with different amount of substances not chemically bonded together
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What is a molecule?
2 or more atoms chemically bonded together
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calculate the relative formula mass of CuO you may need a periodic table to help you
28
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Calculate the relative formula mass of (NH4)2 SO4
98
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Name a separating method that is the best to separate red dyes from an ink
Chromatography
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What is a solute?
substance that dissolves in the solvent
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Other cards in this set
Card 2
Front
An atom has 6 electrons how many protons does it have?
Back
6
Card 3
Front
what is the charge of an atom
Back
Card 4
Front
Copper has 2 stable isotopes cu-63 has an abundance (amount) of 69.2% and Cu-65 has an abundance of 30.8%. Calculate it's relative atomic mass to 1 D.p
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