The periodic table Flashcards
1
Q
Groups
A
Vertical columns, indicate number of electrons in the outer shell
2
Q
Periods
A
Horizontal columns, number of shells in an atom
3
Q
Elements in the same group…
A
have the same number of electrons in the outer shells
4
Q
why elements in the same group of the Periodic Table have similar
chemical properties
A
Elements in the same group of the periodic table have the same number of electrons in their outer shells, which means they have similar chemical properties.
5
Q
why the noble gases (Group 0) do not readily react
A
Because they have a full outer shell
6
Q
Metals
A
- Conduct electricity
- Have oxides which are basic, reacting with acid gives salt + water
7
Q
Non-metals
A
- Do not conduct electricity (exceot for graphite)
- Have oxides that are acidic or neutral
