Periodic Table

Match it! Select the correct answer from the pull down...Good luck!

Each vertical column of elements is called a _______________.

Which category of elements are semiconductors?

Who arranged the elements by increasing atomic number?

All _____________ have 2 electrons in their outer energy level.

Group 1 elements are also known as the ______________________metals.

The elements in Period 6 are called the _________________.

Which category of elements are ductile and malleable?

Who developed was the first person credited with arranging the elements in a certain order?