How many protons does an atom of Iodine (I), #53, have if it has an atomic mass of 127?

What discovery was made about particles with an accelerator in 1998

Why does the amount of energy available change as you move from one trophic level to the next?

A 6.32-l football is filled with air at 1.90 atm. the volume of the football is reduced to 3.49 l what is the pressure of the ball?

The law of conservation of matter states that matter cannot be created or destroyed. This law applies when a chemical change occurs. The number of atoms present before a chemical change is the same as the number of atoms present after the change.

Three gases (8.00 g of methane, ch4, 18.0 g of ethane, c2h6, and an unknown amount of propane, c3h8) were added to the same 10.0-l container. at 23.0 ∘c, the total pressure in the container is 5.50 atm.

Are greenhouse gases good for us?

How to convert metric units?

Without calculation what is the approximate atomic mass of neon

What is the connection between chemistry and synthetic materials?

The density of gold is 19.3 g/cm3. What is the volume of a 575 gram bar of pure gold?