SOME MATH REQUIRED
(and .... scratch paper and calculator)
(and .... scratch paper and calculator)
Mixed TAPE 2: LEVEL UP
200
Conservation of mass: find the missing mass
2g + ?g = 8g
6
200
What is this?
Electromagnet
300
Conservation of mass: Find the missing mass of C
C + O2 ----> CO2
?g + 3.4g --------> 5.8g
2.4
300
What is the function of this circuit?
To make the Light bulb light up (Light Bulb)
400
Conservation of Mass: Find the Missing mass of H20
C3H8 + 5 O2 → 3CO2 + 4H2O
2.1g + 3.4 → 4.0g + ?g
1.5g
400
What numbers do we use to determine the number of Valence Electrons? 
Group Number
800
Find the missing coefficient to balance this equation:
___Fe + 3O2 → 2 Fe2O3
4
800
Ionic bonds require a _____________ and a ________________
(types of element)
Metal and Nonmetal
1000
Balance this equation:
___ Al + ___ S8 -----> ___ Al2S3
16Al + 3S8 -----> 8Al2S3
1000
Name all the information on this box (from top to bottom)
Atomic number
Element Symbol
Element Name
Atomic mass