Where is the second picture<span />
You would be able to tell because a compound has two or more different atoms bonded together. The element only has 1 type of atom. and the mixture has two or more different atoms together but not joined!!
Answer:
Astatine
Explanation:
Astatine is a chemical element with the symbol At and atomic number 85. It is the rarest naturally occurring element in the Earth's crust, occurring only as the decay product of various heavier elements.
Answer:
1.Hydrogenation of Alkenes and akynes.
2.Reaction of alkylhalides.
3. Halogenation.
The answer is <span>(4) Silicon reacts with fluorine. The other three are just physical properties and are intensive (properties do not change, such as melting point, freezing point, color, etc.)
Hope this would work:)) </span>