WorksheetsBinary Ionic, covalent names & formulas and counting atoms
Total questions: 60
Worksheet time: 1hrs 21mins
Na2S
Mg3N2
beryllium iodide
three hydrogen (H)
one sulfur (S)
four oxygen (O)
one carbon (C)
two oxygen (O)
Ca2O
What is it called when one or more electrons are transferred from one atom to another?
Covalent Bond
Ionic bond
Ion
Anion
calcium arsenide
Covalent bonds actually "share" electrons?
true
false
How many atoms of Hydrogen are in H2O
1
2
3
more than 3
How many different elements are present in H2COCH2
5
4
3
2
Calculate the number of Oxygen atoms in Al(OH)3
1
2
3
4
The ______ are numbers found on the lower right-hand side of an element symbol.
Coefficient
Exponent
Multiplier
Subscript
Coefficients in chemical formulas...
Multiply just the first atom
Add to the subscripts at the end of the molecule
Multiply elements without subscripts
Multiply EVERYTHING!
4CF2Cl2
C = 4, F = 4, Cl = 2
C = 1, F = 8, Cl = 8
C = 4, F = 8, Cl = 8
C = 1, F = 4, Cl = 8
How many different elements are present in this molecule?
3 NH4C2H3O2
15
36
5
4
A ______ is a number written in front of a chemical formula.
Coefficient
Subscript
Exponent
Coordinator
How many Oxygen atoms are in H2O?
1
2
0
4
A subscript is the small number below the element symbol that tells the number of _______ of that element.
atoms
valence electrons
protons
elements
You would add (a) to the end of the second name for covalent and ionic.
You will add a (a) to the front of the covalent name.
The prefix for five is (a)
The prefix for eight is (a) .
The prefix for six is (a)
The prefix for seven is (a) .
The prefix for ten is (a)
The prefix for one is (a)
The prefix for three is (a) .
You would drop the ____ and the _____ in the prefix when you add it to oxide.
(a)
