PLEASE HELP!! when elements chemically react, they form compounds by.. A. combining all of their electrons together
B. reaching the octet rule with their valence electrons
C. merging their protons & neutrons together

Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.