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Elements And Compounds
Test Description: Review of 6.A, B, C
Instructions: Answer all questions to get your test result.
1) How many atoms are in the compound H2O2?
A
2
B
5
C
3
D
4
2) How many elements are in a compound?
A
At least three
B
One or more
C
Two or more
D
Exactly two
3) What is one way an element and a compound are different?
A
Compounds are not on the Periodic Table.
B
Compounds are never found in nature.
C
Compounds are made of fewer atoms than elements.
D
Mrs. Donovan likes compounds better, and doesn't like elements so much.
4) What is the most abundant element in the hydrosphere, biosphere and lithosphere?
A
Platinum
B
Nitrogen
C
Hydrogen
D
Oxygen
5) Which statement is NOT true?
A
Compounds are made of elements.
B
Mrs. Donovan is on level 29 of Pokemon Go.
C
Atoms are the most basic building blocks of matter.
D
Elements are made of compounds.
6) Which of the following is NOT a correct way to write a chemical symbol?
A
Having a subscript at the end of the element (ex. O2)
B
A single capital letter (ex. H for hydrogen)
C
Having two capital letters when representing a single element (ex. CU for copper)
D
A capital and a lowercase letter for a single element (ex. Cu for copper)
7) How many atoms are in the compound AgNO3?
A
2
B
4
C
3
D
6
8) Which mathematical operation is used to determine the number of atoms in a compound?
A
Division
B
Subtraction
C
Multiplication
D
Addition
9) Which statement is true about the Periodic Table?
A
All of the elements' symbols begin with the same letter as their name (ex. N for Nitrogen and P for Potassium.)
B
All of the elements were discovered by American scientists.
C
New elements may be added the Periodic Table in the future.
D
The number of elements on the table will not change.
10) How many elements are in glucose (C6H12O6)?
A
3
B
6
C
24
D
12
*select an answer for all questions
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