Which subatomic particles each have a mass of approximately 1 u? A)
proton and electron
B)
proton and neutron
C)
neutron and electron
D)
neutron and positron

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.