Exam 1 Notes

Question 1

1A

Answer 1

Alkali Metals

Question 2

2A

Answer 2

Alkaline Earth Metals

Question 3

3A

Answer 3

Boron Family

Question 4

4A

Answer 4

Carbon Family

Question 5

5A

Answer 5

Nitrogen Family

Question 6

6A

Answer 6

Oxygen Family

Question 7

7A

Answer 7

Halogens

Question 8

8A

Answer 8

Noble gases

Question 9

S—–L—–G

Answer 9

.

Question 10

What makes a product different in a chemical change?

Answer 10

The composition is different from the reactant (RA 1 Q5)

Question 11

Know metals, metalloids, and nonmetals

Answer 11

.

Question 12

A starting substance that undergoes change during chemical reaction

Answer 12

Reactant

Question 13

Bond angle for linear geometry

Answer 13

180°

Question 14

Bond angle for trigonal planar geometry

Answer 14

120°

Question 15

Bond angle for tetrahedral geometry

Answer 15

109.5°

Question 16

List the 7 diatomic elements

Answer 16

H2
N2
O2
F2
Cl2
Br2
I2
(BrINClOF)

Question 17

Atomic Number

Answer 17

Z

Question 18

Mass Number

Answer 18

A

Question 19

Mass number (A) - atomic number (Z) = # of neutrons

Answer 19

.

Question 20

A
X
Z

Answer 20

.

Question 21

element name - A

Answer 21

.

Question 22

AXnEm

Answer 22

n - number of bonds around the central atom

m - number of lone pairs around the central atom

Question 23

Electronegativity arrow

Answer 23

Allows points to the element that has a lower electronegativity