Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Chemistry!
0
%
0
0
0
Back
Restart
What are the 3 STATES of MATTER?
Solid, liquid, and gas!
Oops!
Okay!
What is the CHARGE of an ELECTRON?
Negative!
Oops!
Okay!
A CHART used by scientists to CLASSIFY the ELEMENTS is called a _______ _______.
A period table!
Oops!
Okay!
What is the CHARGE of an ATOM?
Neutral!
Oops!
Okay!
The CORE of an ATOM is called the _____.
The nucleus!
Oops!
Okay!
ENERGY is either ABSORBED or ______ in a chemical reaction.
Released!
Oops!
Okay!
What is the CHARGE of a NEUTRON?
Neutral!
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies