
Understanding Elements and Atoms

Interactive Video
•
Chemistry
•
6th - 8th Grade
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an element?
A substance that can be broken down by chemical means
A substance that cannot be broken down by chemical means
A compound of two or more substances
A mixture of different substances
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a correct symbol for an element?
Na for Sodium
H for Helium
C for Calcium
O for Osmium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes each element unique?
The way it reacts with water
The specific combination of protons, neutrons, and electrons
The type of chemical bonds it forms
The number of atoms it contains
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are in a water molecule?
Three
Two
Four
One
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for water?
H2O
OH2
HO2
H2O2
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