Answer:
mmhmm
Explanation:
The oxidation number of sodium in the Na+ ion is +1
oxidation number of chlorine in the Cl- ion is -1. 3. The oxidation number of hydrogen is +1 when it is combined with a nonmetal as in CH4, NH3, H2O, and HCl.
C. Adding a catalyst
Because the catalyst increases the rate of chemical reaction
homogenous
its a pure element, so it is a pure substance
i
Answer: grounding
transition metals
