Can anyone help giving 5 stars

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br