If 3 molecules of hydrogen react with 1 molecule of nitrogen, how many molecules of ammonia would be formed?

Which description applies to all of an element

How many sigma bonds does CS2 have?

Who got credit for developing the periodic table

If you have 1.82 x 1024 atoms of Oxygen in Oxygen Gas (O2), how many grams do you have?

You take a balloon and stick it in a refrigerator. The temperature inside the refrigerator is 4.0 °C and the temperature in your house is 22 °C. The balloon had an original volume of 0.50 L.

216 J of energy is required to raise the temperature of a piece of aluminum from 15.0º C to to 35º C. Calculate the mass of aluminum used. (Specific heat of aluminum = 0.90 J ∙ º C-1 ∙ g-1)

How much of the rock cycle can be observed directly? How much must be inferred? Think about both how long things take to happen in the cycle as well as where different parts of the cycle occur. Refer to specific parts of the cycle in your answer.

How are elements arranged in the Periodic Table? A. by their properties B. alphabetically C. by how much they are worth D. in the order they were discovered

If an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density of water? explain

What is made when salt is dissolved in water? A a precipitate B a mixure C a solution D a compound