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WorksheetsAtoms, Ions & Chemical Species.
Total questions: 10
Worksheet time: 14mins
If I have a trivalent cation, what charge will its ion most likely have?
+3
+5
-3
-5
A tetravalent cation is isotonic with Strontium 8838Sr, it is also isobarous with 21085At. Find the number of electrons in the ion. (Write only the number)
(a)
How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?
2
34
36
40
The number of neutrons exceeds in 10 the number of protons. If the mass number is 130. Find the atomic number. (Write only the number)
(a)
For the atom shown, indicate its atomic composition: 3616S2-. Write the symbol with the number. Eg. m=0,r=0,...
(a)
With respect to the following species:
2713 Al3+ ; 199 F1-
Choose more than one
Al3+ have 10 electrons
The cation have 14 neutrons
The anion have 29 particles in the atom
Only two answers are correct
