Group 13: Boron Family

Question 1

BORON

Answer 1

5
B
11

Question 2

ALUMINUM

Answer 2

13
Al
27

Question 3

GALLIUM

Answer 3

31
Ga
70

Question 4

INDIUM

Answer 4

49
In
115

Question 5

THALLIUM

Answer 5

81
Tl
204

Question 6

CHARACTERISTICS

Answer 6

1. Atomic radius increases down the group
2. Four poor metals
3. One nonmetal
4. Three valence electrons
5. Forms ions with three positive charges