NH 4. Ammonium +1 NH 4 PO 4 Phosphate -3 PO 4 NO 3.
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Transcript of NH 4. Ammonium +1 NH 4 PO 4 Phosphate -3 PO 4 NO 3.
NH4
Ammonium +1NH4
PO4
Phosphate -3PO4
NO3
NO3
Nitrate -1
OH
OHHydroxide -1
SO4
Sulfate -2SO4
CO3
Carbonate -2CO3
The atomic number tells you…
The number of protons and electrons
An alpha particle has a mass of _____
4 (2 protons and 2 neutrons)
Show the alpha decay of Radon
Show the beta decay of Lithium
Write the isotope symbol for Oxygen 16
Which element is this?
Which element is this?
Silicon
How many valence electrons are in Al? Write the Lewis Dot Model
Which 2 elements have 10 neutrons?
F and NeF atomic number 9 Mass 19
Ne atomic number 10 Mass 20
Which radioactive particle does NOT change the identify of the element that
emits it?
Gamma Radiation (Gamma Ray)
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.
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