Metric System and Sig Figs
21,093,800 has this many significant figures.
What is 6?
The atomic number of gold.
What is 79?
The number of valence electrons of Tellurium (Te).
What is 6?
The name of one of the rows on the periodic table.
What is a period?
The formula for Lithium Bromide.
What is LiBr?
0.00019808 has this many significant figures.
What is 5?
The three subatomic particles.
What are protons, electrons, and neutrons?
The type of spectrum that shows the wavelengths given off by light from a specific element.
What is an emission spectrum?
What is a family?
The formula for Iron (III) Oxide
What is Fe2O3?
The amount of liters in 14 hectoliters.
Answer must have a unit and correct sig figs.
What is 1,400 liters?
When an atom's nucleus splits.
What is fission? or What is nuclear decay?
The element which has the electron configuration of
1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
The type of element which is a solid at room temperature, conducts electricity, and does not dissolve.
What is a metal?
The name of (NH4)2SO4.
What is ammonium sulfate?
The amount of kilograms in 1,340,000,000 milligrams.
Answer must have a unit and correct sig figs.
What is 1,340 kg?
The number of neutrons of Iron-54
What is 28?
If a radio station broadcasts at a frequency of 98,500 hertz, calculate the wavelength of its radio waves.
Answer must have a unit and correct sig figs.
What is 3.05 x 10^3 or 3,050 meters? (3 sig figs)
The scientist that mathematically proved the most accurate model of atoms.
Who was Schrodinger?
The formula for Trinitrogen Pentachloride
What is N3Cl5?
Conversion of 0.0343 meters to nanometers.
What is 3.43 x 10^7 nm?
Answer must have a unit and correct sig figs.
The results of alpha decay of Uranium-238.
What is Thorium-234 and an alpha particle?
The amount of energy emitted from a beam of light with a frequency of 5 × 10^14 hertz.
Answer must have a unit and correct sig figs.
What is 3 x 10^-19 J?
The reason that the d-block elements start 3 rows after s-block and 2 rows after p-block elements.
What is they have a lower energy?
What is diphosophorus hexafluoride?