Formula for hydroselenic acid

Boron has an average atomic mass of 10.81. One isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent. The other isotope has a relative abundance of 80.

Is NaNO3 and acid or base.

Is the planet Uranus surface rocky or flat?

For the reaction where Δn=-1Δn=-1, what happens after in increase in volume?? KQ>K so the reaction shifts toward reactants. For the reaction where Δn=0Δn=0, what happens after in increase in volume?? KQ>K so the reaction shifts toward reactants.

How do you know how many shells of electrons an element has, and how do you find out on the periodic table?

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