Grades

Kindergarten

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

11th

12th

Higher Ed

Adult Ed

Other

Subjects

ELA

Math

Science

Social Studies

Art

Computer Science

French

German

Music

Physical Education

Spanish

Other

Private Library

Team Premium

*check*Rating- Date

Understanding Chemical Formulas

| 31 Questions

Note from the author:

Counting the number of atoms in a chemical formula

1

NaCl (use this space to show any work)

2

1 pt

Na-

3

1 pt

Cl-

4

1 pt

Total number of atoms

5

4Al(C2H3O2)3
(use this space to show any work)

6

1 pt

Al-

7

1 pt

H-

8

1 pt

C-

9

1 pt

O-

10

1 pt

Total number of atoms

11

6H2SO4
(use this space to show any work)

12

1 pt

H-

13

1 pt

S-

14

1 pt

O-

15

1 pt

Total number of atoms

16

1 pt

Si-

17

1 pt

H-

18

1 pt

C-

19

1 pt

O-

20

1 pt

Total number of atoms

21

1 pt

H-

22

1 pt

N-

23

1 pt

O-

24

1 pt

Total number of atoms

25

1 pt

K-

26

1 pt

Mn-

27

1 pt

O-

28

1 pt

Total number of atoms

29

1 pt

K-

30

1 pt

S-

31

1 pt

O-

Add to my formatives list