Which of the following statements is true about both nuclear fusion and nuclear fission?

a. they occur in the sun.

b. heavy atoms are split.

c. two light nuclei combine.

d. some mass changes into energy.

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

Amanda pushes a box across the room with a force of 30 n. it accelerates at 5 m/s/s. what is the mass of the box? * 6 kg 1.16 kg 30 kg 5kg