Answer:
After the arrow, usually the right. Balance NO+O2--->NO2. 2NO+O2--->2NO2 ... What is the symbol for "solid"? (s). 3Mg3 (PO4)2.
Explanation:
the valence electrons of atoms in a pure metal can be modeled as a sea of electrons
Mercury, Venus, Earth,Mars
2HCl + Ba(OH)2 ------> BaCl2 + 2H2O
