Which of the following subatomic particles are involves in chemical bonds?
A. electrons
B. protons
C. neutrons
D. isotrons
Which of the following is NOT a balanced chemical equation?
A. 2 Li + MgCl2 → 2 LiCl + Mg
B. 2 H2 + O2 → 2 H2O
C. NaCl → Na + Cl2
D. Pb(NO3)2 + 2 KI → 2 KNO3 + PbI2