How old is a fossil that has radioactivity decayed through 4 half-lives of carbon - 14?

0.000 000 698 scientific notation

When light is reflected by a mirror, the angel of incidence is always

True or False: Natural Gas is a renewable resource?

What happens to electrons at the very end of the etc?

If Earth was like a hardboiled egg, which part of Earth would the egg shell represent and why? A. Crust, as its depth is up to 3,000 kilometersB. Mantle, as its depth is up to 3,000 kilometersC. Mantle, as its depth is less than 100 kilometersD.

Transition metals, like copper, are found in many types of biological molecules where it is common for metals to have deviations from ideal bond angles.

How many moles of aluminum metal are required to produce 4.04 L of hydrogen gas at 1.11 atm and 27 °C by reaction with HCl? 2 Al (s) + 6 HCl (aq) → 2 AlCl3 (aq) + 3 H2 (g)

How much energy would be required to vaporize 45.0 grams of water?

In a ___ reaction, a substance reacts rapidly with oxygen, often producing heat and light.

A bikes brakes apply 125 Newton's of a frictional force to the wheels as the bike moves 14 meters how much work do the brakes do