What is the point system?
a computer system found in police stations
apenalty system that tracks infractions made by drivers
asystem that rewards good drivers
a series of insurance discounts

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons, neutrons, electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

How many atoms are there in 5.70 mol of mg