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

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

What is the percentage of hydrogen in nitrogen trihydride

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.