Which of the following processes involve radioactivity?

in medicine

oxidation-reduction reactions

carbon-14 dating

gas grills

(can have more then one answer)

What is the smallest particle of matter?

Why oil is not dissolve in water give answer in chemistry

What process causes earths surface to warm?

Suppose you were trying to find a substitute for Na + in nerve signal transmission. Where would you begin your search? What ions would be most like Na+?

Which reason is the best for choosing the ruler to measure the dimensions of the wooden block? A meter stick is only marked in customary units and is therefore inappropriate. A tape measure is simply not accurate.

Which combination of protons neutrons and electrons is correct for the isotope of copper - 63?

What is the purpose of a domain?

What is the ideal gas constant? A. It is a constant that applies only at STP. B. It is a specific constant for a particular gas. C. It is a universal constant used for all gases. D. It is a constant that depends on the conditions.

The greenhouse effect is a result of the Sun's energy being absorbed by objects on the Earth and converted into which type of radiation? A) Radio B) Visible C) Infrared D) Ultraviolet

Which was the limiting reactant: the zinc or the hydrochloric acid? Remember that the limiting reactant is completely consumed in a reaction and no new product is formed unless more of the limiting reactant is added.