How were noble gases discovered?

Express as ordinary numbers 6.02 x 10^9

Where do babies come from

Read the following chemical equation. Al + Cl2 → AlCl3 Which of the following fractions can be used for the mole ratio to determine the mass of Al from a known mass of AlCl3? 2/1 3/2 2/2 2/3

How many moles of mercury atoms are in 5.418 x 1023 atoms of mercury? moles

Noble gases tend to have what oxidation number Question options: +1 +2 -1 0

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