Answer:
5 valence electron
Explanation:
It is because the group number is equal to the valence electron.
Answer:
Putting salt on the ground to melt ice or snow I mean.
Explanation:
Answer:
Percent yield of alum is 38.6%
Explanation:
Find attached calculations for detailed explanation.
Answer:
Option b. Decomposition
Followed by a reduction process using charcoal
Explanation:
Lead can be obtained from lead nitrate by thermal decomposition of lead nitrate as shown below:
2Pb(NO3)2 —> 2PbO + 4NO2 + O2
The PbO obtained is reduced by charcoal(C) to obtain the metallic Pb as shown below:
2PbO + C —> Pb + CO2