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Worksheetsreview chemical compounds
Total questions: 22
Worksheet time: 17mins
This picture represents which of the following?
element
compound
Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---
a gas at room temperature.
made of two different elements.
given off by green plants.
useful to human beings
A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?
12
Magnesium
24.31
Mg
What is the name of the compound Na2SO4?
sodium sulfate
sodium sulfide
sodium sulfite
Sodium sulfuroxide
The smallest particle of an element; made of electrons, protons, and neutrons
Atoms
Elements
Molecules
Products
Al3+ O2-
How many atoms of hydrogen are in H2O?
1
2
3
4
Which of the diagrams below represent a mixture?
A
B
C
D
How many atoms are present in one molecule of glucose, C6H12O6
3
12
24
4
What is an element?
A substance that is made up of one type of atom and can't be reduced to simpler substances.
A substance made of two or more different atoms chemically bonded to one another. They can only be destroyed by chemical processes.
A material containing two or more elements or compounds that are in close contact and are mixed in any proportion. They can be separated by physical means.
Which letter represents a mixture?
D
G
E
A
Name for NaH
sodium hydrogen
potassium hydride
sodium hydride
potassium hydrogen
Name for PBr2
phosphorus bromide
phosphorus dibromide
phosphorus dibromine
phosphorus bromine
Formula for Disilicon Heptasulfide
SiS6
SiS7
Si2S6
Si2S7
Name for CO
carbon monoxide
carbon oxide
monocarbon oxide
carbide monoxide
Formula for aluminum phosphate
Al2P3
Al3PO4
AlP
AlPO4
Name for BaO
Barium oxide
Barium monoxide
Monobarium oxide
Monobarium monoxide
