What are the main components of the air we breathe?

Understanding Elements and Their Symbols

Interactive Video
•
Chemistry, Science
•
5th - 8th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxygen, Carbon, and Sulfur
Hydrogen, Helium, and Methane
Oxygen, Nitrogen, and Argon
Carbon Dioxide, Helium, and Neon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is an element defined in terms of its chemical properties?
A pure substance that cannot be broken down by chemical methods
A mixture of different atoms
A compound of two or more elements
A substance that can be broken down into simpler substances
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest particle of an element that retains its properties?
Molecule
Ion
Compound
Atom
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are there in total?
150
92
104
118
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements are the most abundant on Earth?
Oxygen and Nitrogen
Helium and Hydrogen
Carbon and Silicon
Iron and Nickel
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are elements often represented instead of using their full names?
By their atomic number
By their chemical formula
By their molecular weight
By a symbol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for the element gold?
Gd
Au
Go
Ag
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