NH 4. Ammonium +1 NH 4 PO 4 Phosphate -3 PO 4 NO 3.

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NH 4

Transcript of NH 4. Ammonium +1 NH 4 PO 4 Phosphate -3 PO 4 NO 3.

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NH4

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Ammonium +1NH4

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PO4

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Phosphate -3PO4

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NO3

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NO3

Nitrate -1

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OH

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OHHydroxide -1

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SO4

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Sulfate -2SO4

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CO3

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Carbonate -2CO3

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The atomic number tells you…

The number of protons and electrons

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An alpha particle has a mass of _____

4 (2 protons and 2 neutrons)

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Show the alpha decay of Radon

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Show the beta decay of Lithium

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Write the isotope symbol for Oxygen 16

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Which element is this?

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Which element is this?

Silicon

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How many valence electrons are in Al? Write the Lewis Dot Model

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Which 2 elements have 10 neutrons?

F and NeF atomic number 9 Mass 19

Ne atomic number 10 Mass 20

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Which radioactive particle does NOT change the identify of the element that

emits it?

Gamma Radiation (Gamma Ray)

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Which radioactive particle changes a neutron into a proton?

Beta ParticleThis causes the atomic number to go up by

one. The mass is NOT changed because protons and neutrons have the same mass.

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Estimate the average atomic mass of anelement where 75% has a mass of 20 and 25%

Has a mass of 22.20.020.521.0 21.522.0