Why is it so hard to dispose of nuclear waste

Tim and Dan covered the inside of an open box in aluminum foil. They put a thermometer inside the box. Then, Tim and Dan sealed the top of the box with plastic wrap. They put the box outside in direct sunlight.

Oxygen has an atomic number of 8 and most commonly, a mass number of 16. thus, what is the atomic mass of an oxygen atom?

Microscopic shells that are buried under the seabed are converted to organic sedimentary rocks. during this process, which property of the shells will remain constant? a. mass of the shells b. color of the shells c. texture of the shells d.

Where are elements that form molecules of two of the same atoms commonly found on the periodic table?

If you added 1.0 ml of the unknown pb (no3) 2 to a test tube, what is the amount of hi in ml

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda