The Periodic Table Flashcards
1
Q
What does the periodic table do?
A
Arranges elements with similar properties together.
2
Q
Elements with similar properties form what?
A
Columns.
3
Q
What are the vertical columns called?
A
Groups.
Roman numerals often used for them.
4
Q
Elements within the same group have what?
A
The same number of electrons in their outer shell.
5
Q
Name properties of the group 1 elements?
A
They react with water to form an alkaline solution and hydrogen gas.
React with oxygen to form oxide.