math
periodic table
100

What does pemdas stand for 

Parentheses exponent multipulcation division addition subtraction


100

What is the symbol for gold

Au

200

What is 3+4x5

23

200

What is the sybol for iron

Fe

300

What is one tenth more than 2.34

2.44


300

What is the thing for water

H20

400

What 800x900


720000



400

What is the thing for 02

Oxygen

500

What is 40x90

3600

500

Is the thing for h

Hydrogen


M
e
n
u