Conversions
How many grams are in 1kg?
1000g
Unlike salt melting or water having a density of 1.0 g/mL, this oxidative process involving iron is a chemical property rather than a physical one.
The measurement $0.005020\text{ g}$ contains this many significant figures.
What is Four
1.0x10^-9
An atom of calcium-46 contains 20 protons and this many neutrons.
26 neutrons
The modern periodic table arranges elements in order of increasing value of this fundamental quantity, symbolized by Z.
Atomic Number
When adding $12.11 mL and $0.3mL, the reported sum of $12.4mL is limited by this specific rule rather than the total count of digits.
What is the fewest number of decimal places
A hybrid car has a fuel economy of 50. miles per gallon of gasoline. What is its fuel economy
in km/L?
21 km/L
A cell has a volume of 4,000 μm3 . What is its volume in m 3 ?
4 x 10^–15
Elements like helium, neon, and argon reside in Group 8A (18) and share this common family name denoting their lack of reactivity.
Noble gases
What is the result of the following calculation reported to the correct number of significant
figures?
(60.3cm + 70.2cm) x 4.440cm
579.4 cm^2
If the imaginary element CSUranium consists of 39.50% CSUranium-235 (235.04 amu) and
60.50% CSUranium-238 (238.03 amu), what is the average atomic mass of CSUranium?
236.8 amu