Chemical Formulas
What is the chemical formula for water?
H2O
What is the name of the gas in the air that keeps us alive?
Oxygen
Water has a mass of 625 g and a volume of 625 mL. What is the density of the Aluminum?
1 g/ml
Who was both a philosopher and scientist considered by some to be the first biologist?
Aristotle
What household item has the chemical formula of NaCl?
Table Salt
Hydrogen, Silver, and Gold are all found on the:
Periodic Table
If an object with a density of 2.0 g/cm3 is placed in a fluid with a density of 1.9 g/cm3, the object will
Float
Sink
Drift in the middle of the fluid
Sink
What do you call a scientist who studies the stars?
Astronomer
How many elements are found in ClO2NaH5
4
My chemical symbol is "H." What element am I?
Hydrogen
A cube has a length of 3 cm. What is the volume of this object? (hint: length, width and height are all centimeters, so its cm x cm x cm which is cm ³)
27 cm3
What idea is Charles Darwin most famous for?
Natural Selection
In a chemical reaction, how do we remember the phrase "Reactants Arrow Product?"
"RAP"
What is the symbol for Carbon?
C
A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 g. What is its density?
D = 2.7 g / mL
The concept of gravity was discovered by which famous physicist?
Sir Isaac Newton
My chemical symbol is "K." What element am I?
Potassium
What is the most common element found in the universe?
Hydrogen
What is the Density formula
Density is equal to mass divided by volume.
(D=M/V)
Who discovered Density?
Archimedes