A CHART used by scientists to CLASSIFY the ELEMENTS is called a _______ _______.
A period table!
What is the CHARGE of an ATOM?
Neutral!
What is the CHARGE of an ELECTRON?
Negative!
What is the CHARGE of a NEUTRON?
Neutral!
The CORE of an ATOM is called the _____.
The nucleus!
ENERGY is either ABSORBED or ______ in a chemical reaction.
Released!
What are the 3 STATES of MATTER?
Solid, liquid, and gas!
