C2. Periodic Table Flashcards

1
Q

How are elements arranged on the periodic table?

A
  • order of atomic number
  • groups have similar properties as they have the same number of electrons in outer shell
  • group number equals number of electrons in outer shell
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Group 1…

A
  • melting and boiling point decreases going down the group
  • all react with water to produce hydrogen and an alkali solution containing metal hydroxide
  • reactivity increases going down group
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Group 7…

A
  • halogens form ions with single negative charge i their ionic compounds with metals
  • covalent compounds
  • more reactive halogen can displace less reactive from a solution of one of its salts
  • reactivity decreases going down group
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Electrostatic attraction depends on?

A
  • distance between outermost electrons and nucleus
  • number of occupied inner shells
  • size of positive charge n nucleus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly