TEAS 7 Chemistry test 2 Final Exam 2024 study guide
1. Polyatomic atoms ions that contain more than 1 or 2 elements in the
atom.
usually the elements name of polyatomic atoms
end in ate or ite with the exception of hydroxide
and cyanide.
2. NH4+ (Polyatomic atoms) Ammonium
3. CN- Cyanide
4. CO3^2- Carbonate
5. NO3- Nitrate
6. PO4 3- Phosphate
7. OH- Hydroxide
8. CiO3- Chlorate
9. BrO3- Bromate
10. IO3- Iodate
11. SO4^2- Sulfate
12. Avogadro's number (NA)-number of particles in 1 mole
*6.022X10^23 mol-1
13. Group element 1 (alkali have an ionic charge of +1
metals) charges? elements included are
H+(Hydrogen)
Li +(lithium)
Na+ ( Sodium)
K +(Potassium)
Rb+ ( Rubidium)
Cs+ ( Caesium)
Fr+ ( Francium)
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