What is the total number of atoms in CaCO3

What class of mineral forms when the element s is bonded with a metal, as iron in the mineral pyrite?

If an atom of iodine gains one electron it will have the same number of valence electrons as which of these elements

A sealed, rigid l. 0-liter cylinder contains He gas at STP. An identical sealed cylinder contains Ne gas at STP. These two cylinders contain the same number of (1) atoms (2) electrons (3) ions (4) protons

True or False: Fluorine usually forms a double bond with the central atom. True False

What would you expect to happen to the air pressure as a storm approaches? Question 7 options: A. It would increase B. It would decrease C. It would remain the same

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