Periodic Table Flashcards
(8 cards)
1
Q
What are groups?
A
Vertical columns: Elements with similar properties and same # of valence electrons.
2
Q
What are periods?
A
Horizontal Rowa
3
Q
Name the four main groups
A
Group 1: Alkali Metals
Group 2: Alkaline Earth Metals
Group 17: Halogens
Group 18: Noble Gasses
4
Q
Properties of metals
A
Conducts electricity/ heat,
Malleable and ductile,
Lose electrons for cations
5
Q
Properties of Non-Metals
A
Poor conductors,
Brittle,
Gain electrons to form anions
6
Q
What are Metalloids?
A
Properties of both metals and non-metals (e.g. B, Si, As)
7
Q
List the 7 diatomic elements
A
H2, N2, O2, F2, Cl2, Br2, I2
8
Q
What are the two polyatomic molecules?
A
P4 and S8
