1. It is located on the right side of the periodic table. Their surface is dull and they don't conduct heat and electricity.
2. It is the vertical column labeled at the top of each column.
3. These are the electrons present in the outermost energy level or shell of
an atom.
4. Located on the left side of the periodic table. They are usually shiny and
very dense. Heat and electricity travel easily through them.
5. It has properties of metals and nonmetals.
6. It is the energy needed to pull or remove one or more electrons from a
neutral atom.
7. It is a horizontal row that arranges atomic numbers in increasing order
from left to right,
8. This group of elements are the most reactive elements.
9. It is the measure of the tendency of an atom to attract electrons.
10. This group of elements are the most stable and least reactive.
11. It is the element located in period 4, group 8.
12. What type of element is the answer to question 11?
13. It is the element located in period 2, group 13.
14. What type of element is the answer to question 13?
15. Give 1 element located in the noble gases group.