Name: ___________________________________ Date: _________________ Class period: ____
Unit: Chemical Names and Formulas
“Review of the Basics” – WS #1
Directions: Please answer each fill in the blank with the best answer. 
1. __________
are atoms or groups of atoms that have a positive or negative charge.
Ions
2. A ______________________
is any atom or group of atoms with a positive charge
Cadion
3. When Calcium loses 2 electrons it will have a ___________________
charge.
+2
4. An ____________________
is any atom or group of atoms with a negative charge.
Anion
5. S-2 is called the _____________________
ion.
Sulfide
6. CO3-2 is called the ____________________
ion.
carbonate
7. A ____________________________
ion is made up of a single atom.
monotomic
8. A ____________________________
ion is a covalently bonded group of atoms with an
polyatomic
overall positive or negative charge.
9. A __________________is
an electrically neutral group of atoms that act as a unit.
molecule
10.
A ___________________________shows
the kinds and numbers of atoms in one
polyatomic
molecule of that substance.
11.
A ____________________
compound tends to have low melting and boiling points.
Covalent
12.
Ionic compounds are always in the ________________
state at room
solid
temperature.
13.
An______________________
formula indicates the smallest whole number ratio of
empirical
positive to negative ions within an ionic compound.
14.
An ionic compound is always made up of a _____________
and a ______________.
metal
non-metal
15.
A molecular compound is always made up of 2 or more _______________________
non-metals
covalently bonded together.
16.
The smallest representative unit of an ionic compound is called a
_____________.
formula
unit
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17. For the following element symbols, write the charge on each element needed
in order to make that element isoelectronic with a noble gas. Ex: F-1
a) Al _____
+3
g) In_____
+3
-1
b) F _____
h) C _____
-4
c) Li _____
+1
i) Group 2 _____
+2
d) Be_____
+2
j) Group 14 _____
+4
e) Se_____
-2
k) Group 17 _____
-1
f) Rb_____
+1
+3
l) Group 13 _____
18.
Name the following monatomic/polyatomic ions: Ex: Mg+2 is called Magnesium
ion
sodium ion
a) Na+1 ________________________
f) P-3 ________________________
phosphorus
bromate anion
b) BrO3-1 _______________________
g) Ca+2 ________________________
calcium
hydroxide anion
c) OH-1 ________________________
h) PO4-3 _______________________
phosphide anion
chloride a
d) Cl-1 ________________________
i) Al+3 ________________________
aluminide ion
e) CrO4-2 _______________________
chromate anion
j) S-2 ______________________
sulfide anion
Copyright © 2011 MsRazz ChemClass