You should do which candle burn the fastest colored or white
2. CO
3.O2
4.NH3
5.NO
6.NO2
7.CO2
8.H2
The frequency of the sound waves travel faster and more effectively in liquids than in air and travel even more effectively in solids.
Answer:
They are salts, ionic compounds
Explanation:
To know if they are covalent or ionic we need to check their difference in electronegativity. As an example mgcl2, mg has electronegativity of 1.2 and cl 3 so 3-1.2=1.8 which is bigger than 1.7 means it's ionic therefore they are salts
