Which of the following radiation sources provides the greatest radiation dose?

one year of natural background radiation

one X-ray at the dentist

food that has been irradiated

a nuclear power plant

Looking at the periodic table, which element is a non-metal? A. argon (Ar) B. silicon (Si) C. potassium (K) D. magnesium (Mg)

Which class of organic compound is most likely to be used in anesthetics?

Arrange the isotopes of sulfur and phosphorus in order of decreasing number of neutrons. Rank the isotopes from most to fewest neutrons. To rank items as equivalent, overlap them. S-36 P-35 S-32 P-33 P-32 P-31

What are the steps in naming and determining the formula of ionic compounds?

Hydrogen cyanide, hcn, is a poisonous gas. the lethal dose is approximately 300. mg hcn per kilogram of air when inhaled. the density of air at 26 ∘c is 0.00118 g/cm3.

State the relationship between the number of electrons in a carbon-nitrogen bond and carbon-nitrogen bond energy

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?