Which of the following has the most stable nucleus?

Fe

He

U

B

Which is a cause of polarity in water molecules?

Which type of photons in the electromagnetic spectrum contain the least amount of energy?

You hear a weather forecaster predict thunderstorms. Which kind of clouds would likely be in the sky? cirrus nimbostratus cumulus cumulonimbus

What is a particulate?

Which material is a mixture? 1. water 2. air 3. methane 4. magnesium

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)

A base can neutralize an acid. true or false