WorksheetsWarm Up 4.1 - Ionic Charges
Total questions: 10
Worksheet time: 12mins
Metals will (a) electrons to form a (b) charge, resulting in a (c) .
Nonmetals will (a) electrons to form a (b) charge, resulting in a (c) .
Sodium will (a) to form a (b) charge.
Nitrogen will (a) to form a (b) charge.
Match the elements to their charges.
Calcium
+2
Phosphorus
-3
Chlorine
-1
Cesium
+1
Sulfur
-2
Match the elements to their valence electrons.
Mg
2
K
1
Si
4
O
6
F
7
Match the following cation/anion with how many valence electrons it lost/gained.
Fe3+
lost three valence electrons
O2−
gained 2 valence electrons
I−
gained one valence electron
Ca2+
lost two valence electrons
Cs+
lost one valence electron
If an atom (a) electrons, it will become negative.
If an atom (b) electrons, it will become positive.
What would be the chemical formula formed if the cation K+1 combined with the anion O-2?
KO
K2O
KO2
K2O2
What would be the chemical formula of the cation Mg+2 combined with the anion N-3?
Mg3N2
Mg2N3
Mg2N2
Mg3N3
