Across
1: Period
5: Proton
Down
2: Electron
3: Neutron
More later, I've gotta do homework now :)
Answer:
Fe: 23.1%
N: 17.4%
O: 59.5%
Explanation:
You take the grams that each weigh on the periodic table and add it all up. Afterward you create fractions of each over the whole. (Example: Fe/Fe+N+O) then you divide and turn that decimal into a percentage.
Answer:
88.24
Explanation:
find the total mass of the compound using there RAM which has been give then the mass of caborn
Answer:
Result of the formation of positive and negative ions.