4. Which balanced equation represents nuclear fusion?
1.
2.
H→ He +e
SUBTh + He
H+ H → He
BU + n + S + VậXe +3n
3.
4.

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Which of the following statements is true? an atom consists of protons, electrons, and neutrons.an atom consists of protons and neutrons.an atom consists of electrons bonded to one another.an atom consists of protons bonded to one another.

The compound formed from 2 atoms of hydrogen and one atom of oxygen is