Sig Figs
Conversions
Intensive vs Extensive
Physical vs Chemical
Prefixes
100
How many significant figures are in 504?
3
100
Convert 5.6 kilometers to meters.
5.6 x 103 m
100
True or False Density is an intensive property.
True
100
True or false, Rusting of iron is a physical property.
false, rusting is a chemical property.
100
What is the symbol and exponential form for milli?
m and 10-3
200
How many significant figures are in 1200?
2
200
Convert 4.5 × 10⁸ nm to meters.
4.5 x 10-1 m
200
Which of the following combinations is entirely made of intensive properties?
A. Mass, volume, temperature
B. Density, color, boiling point
C. Length, weight, energy
D. Malleability, mass, texture
Density, color, boiling point
200
A metal is hammered into a thin sheet. This demonstrates:
A. A chemical change
B. A chemical property
C. A physical change
D. A nuclear reaction
A physical change
200
What is the symbol and exponential form for kilo?
k and 103
300
How many significant figures are in 0.00720?
3
300
Convert 7.25 × 10⁵ mg to kg.
7.25 x 10-1 kg
300
Which of the following is an intensive property?
A. Mass
B. Volume
C. Temperature
D. Length
Temperature
300
Which of the following is NOT a physical property?
A. Boiling point
B. Reactivity with acid
C. Solubility
D. Malleability
Reactivity with acid
300
What is the symbol and name for the form: 10-6?
micro 
400
How many significant figures are in 112 watermelon?
infinite.
400
Convert 5.23 km to mm.
5.23×106mm
400
Is mass an extensive or intensive property?
extensive
400
Which of the following is a chemical property?
A. Melting point
B. Density
C. Flammability
D. Color
Flammability
400
What is the name and symbol for this exponential form: 106
Mega (M)
500
How many significant figures are in 6.020 × 10³?
4
500
Convert 3.60 × 10² cm to kilometers.
3.60×10-3km
500
True or false two samples of gold with different masses will have different melting points.
False — Melting point is intensive, so it stays the same regardless of mass.
False — Melting point is intensive, so it stays the same regardless of mass.
500
True or False crushing a crystal is a chemical change because it alters the structure.
False — Crushing is a physical change; the substance’s chemical identity remains the same.
500
What is the exponential form and symbol of nano?
10-9 (n)