Which is a characteristic of atoms?

a)they come in ten major types
b)they are the smallest units of matter
c)they can be divided
d)they cannot combine together

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature