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WorksheetsForming Chemical Bonds and Counting Atoms
Total questions: 20
Worksheet time: 10mins
How many elements are in C6H12O6?
1
2
3
4
How many atoms of carbon (C) are in C6H12O6?
3
6
12
24
Element or Compound?
H2O
Element
Compound
Which of the following is a compound?
Co
O2
C
CO2
Which is the correct formula for:
3 Hydrogen (H)
1 Sulfur (S)
4 Oxygen (O)
H3SO4
HSO4
H4S3O
H2O
The blue numbers in the image below represent _______
I don't know, and don't want to try
Coefficients
Subscripts
none of the answers are correct
How many TOTAL atoms are in:
H2SO4
6
5
7
3
How many atoms of Sodium (Na) are in 6NaCl?
1
12
3
6
How many nitrogen atoms are there?
4
8
10
20
How many phosphorus atoms are there?
0
1
3
4
How many molecules of methane are there?
0
1
2
4
How many atoms of carbon are there?
0
1
2
3
CH4 is an example of a--
chemical equation
chemical formula
chemical reaction
chemical symbol
A compound is a substance composed of
only one type of element
two or more types of elements
only one type of element in a covalent bond
no elements
How many valence electrons does calcium have?
4
7
2
6
How many valence electrons does Hydrogen have?
8
6
1
3
Covalent bonds occur between....
Metals
Metalloids
Non-metals
Actinide
When atoms lose electrons, it becomes a(n);
Neutral
Cation
Neutral Ion
Anion
Ionic bonds occur between..
Metals
Metals and Non-metals
Non-metals
Metalloids
This is the correct dot diagram for neon (Ne)
True
False
