Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Elements/Compounds quiz review
0
%
0
0
0
Back
Restart
Is C4H2 an element, an atom, a mixture, or a compound?
compound
Oops!
Okay!
Is Mg and element or a compound?
element
Oops!
Okay!
If each element is represented by a different color, how many atoms are in this Lego model of a compund?
5
Oops!
Okay!
How many elements are present in the chemical formula Mg2Na4?
2
Oops!
Okay!
If each element is represented by a different color, how many atoms are in this Lego model of a compund?
3
Oops!
Okay!
How many atoms of oxygen are present in H2O?
1
Oops!
Okay!
If each element is represented by a different color, how many elements are in this Lego model of a compund?
2
Oops!
Okay!
What elements are in the chemical formula H2O?
hydrogen & oxygen
Oops!
Okay!
What are compounds?
A pure substance of two or more different elements that have been chemically combined.
Oops!
Okay!
How many atoms are present in the chemical formula Mg2Na4?
6
Oops!
Okay!
How are elements and compounds different?
An element is a single, pure substance represented by a chemical symbol. A compound is a pure substance of 2 or more different elements.
Oops!
Okay!
Is HCl an element or a compound?
compound
Oops!
Okay!
How many atoms are present in H2S4?
6
Oops!
Okay!
Is CuSO4 and element or a compound?
compound
Oops!
Okay!
Is Na an element or a compound?
element
Oops!
Okay!
If each element is represented by a different color, how many elements are in this Lego model of a compund?
2
Oops!
Okay!
What are elements?
A single, pure substance, represented by a chemical symbol.
Oops!
Okay!
How many atoms are present in the chemical formula H2O?
3
Oops!
Okay!
What elements are present in the following formula? H2S4
hydrogen & sulfur
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies