1(d) The Periodic Table Flashcards
1
Q
What do elements in the same group have?
A
Same chemical properties (react in the same way)
2
Q
Group 1
A
React vigorously with water to form hydrogen and a hydroxide solution
M + H2O -> MOH + H2
3
Q
Group 1
A
React vigorously with water to form hydrogen and a hydroxide solution
M + H2O -> MOH + H2
4
Q
Group 2
A
React with hydrogen to form compounds
M + H2 -> HM
Form chlorides
M + Cl2 -> MCl2
5
Q
Noble Gases
A
Completely unreactive because outer shell is full
No tendency to lose, gain or share electrons in a chemical reaction
6
Q
Characteristics of Metals
A
- Good conductors of electricity and heat
- Malleable (can be hammered into shape)
- Form ionic compounds (form positive ions)
- High melting points and boiling points
7
Q
Characteristics of Non - Metals
A
- Do not conduct electricity
- Bad conductors of heat
- Form ionic and covalent compounds (form negative ions)
- Low melting and boiling points
