Atoms And The Periodic Table

Question 0

What are the names of these groups on the periodic table?
Group 1
Group 7
Group 0

Answer 0

Group 1 - alkali metals

Group 7 - halogens

Group 0 - noble gases

Question 1

What is the difference between a
Compound
Element
Mixture

Answer 1

Compound - 2 or more elements chemically bound

Element - pure substance with only 1 type of atom

Mixture - more than 1 element or compound NOT chemically bond.

Question 2

Why are group 1 and group 7 likely to react?

Answer 2

Because group 1 has an extra electron to give away to have a full outer shell. Group 7 needs an electron for a full outer shell so they both ATTRACT.