Significant Figures
The number of significant figures in 407.
What is three?
The number of centimeters in one meter.
What is 100?
What elements on the left of the stair-step line are known as.
What are metals?
The subatomic particle(s) found in the nucleus.
What are protons and neutrons?
The type of nuclear radiation that can be blocked by your skin.
What is the alpha particle?
The number of significant figures in 660850.
What is five?
What is 5.681 kg?
The type of change that occurs when rust forms on a nail.
What is a chemical change?
The number of protons in 35Cl.
What is 17?
The type of nuclear radiation with no mass and no charge.
What is a gamma ray?
The answer to
(8.37)(7.844)
What is 65.7?
The number of milliliters in 8.8 liters.
What is 8800?
The physical state characterized by its ability to take the shape of its container, but not its volume.
What is a liquid?
The mass number of an atom of 18O.
What is 18?
The atom produced when 66Cu undergoes beta decay.
(Need element, mass number, and atomic number)
What is
Zn_30^66
(The numbers should be before the element!)
The answer to
512.6+65.99+2.334
What is 580.9?
The number of centimeters in 8.75 feet.
What is 267 cm?
The density of a gold brick with a mass of 1100 g and a volume of 85 mL.
What is 13 g/mL?
The number of protons, neutrons, and electrons in an atom of 183W.
What is 74 protons, 109 neutrons, 74 electrons?
One of the units used to measure the amount of radioactive decay.
What are the Becquerel and the Curie?
The answer to
(68.904)(3.72)(22.58)
What is 5790?
The number of liters in 564 cm3.
What is 0.564 L?
The coefficient of carbon when the following chemical equation is balanced:
C+SO_2->CS_2+CO
What is five?
The subatomic particle with essentially no mass.
What is the electron?
The amount of 59Fe (half-life of 45 days) that would remain after 135 days if you started with 96 g.
What is 12 g?