Science chapter 7 review for Quiz

Electrons move unpredictably through a space called

Subatomic particle with positive charge

this subatomic particle is NOT found in the nucleus of an atom

The overall motion of each electron can be mathematically represented by four _________ numbers

Principle stating that it is impossible to know both the position and velocity of an electron

Atom that has an electrical charge

Substances compound of a single type of atom

which is a homogeneous mixture?

Elements are given a unique abbreviation called

group of two or more atoms linked together by chemical bonds

If the mass of Sodium=22.99 and the mass of Chlorine=35.45. What is the mass of NaCl?

If the mass of H=1.01, N=14.01 and O=15.99. What is the mass pf HNO3?

Which branch of chemistry deals with carbon and carbon compounds?:

Scientist believe protons and neutrons are made by smaller particles called

atoms with same number of protons but different number of neutrons