Depends on what you’re going for. i’d say aquifers. but you can drink from clean rivers
9.Pubchem
10.Oxygen
11. Selenium fluoride
12. Disilicon Hexabromide
13. sulfur tetrachloride
14.Methane
15.diboron silicide
16. Nitrogen trifluoride
PLEASE GIVE ME BRAINLIEST!
Explanation:
Chemical formula of chalcone is
and during the preparation of chalcones, a base like sodium hydroxide acts like a catalyst. This catalyst helps in the abstraction of proton from the methyl group acetophenone in order to obtain a negative charge methylene group.
This methylene group then attacks carbonyl carbon of the benzaldehyde.
2.03 molecules times 6.022E23 = 1.22E24
Answer:
earth has a size of 6,371 km wich is greater than mars size 3,389.5 km
Explanation: