Which of the following particles has the greatest mass? A) An alpha particle B) A Beta Particle C) A Proton D) An Electron

1) Why are the antimony and beryllium ions so small? Differentiate between the causes. 2) Why do both ions and atoms tend to grow larger as we go down the periodic table? 3) Why are the antimony and beryllium ions so small?

Which atom is least likely to form an ion? which atom is least likely to form an ion? carbon, c aluminum, al bromine, br phosphorus, p?

A tank at is filled with of sulfur tetrafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions. Calculate the total pressure in the tank.

A compound has the empirical formula CH2O. If the compound's molecular mass is 180 g/mol, determine the molecular formula of the compound. Be sure to show your work.

What happens to a substance if it is oxidized during a chemical reaction? What is a reducing agent, and how would you identify it in a chemical reaction?

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