Which is the electron configuration for lithium?

1s2

2s3

Use you're words to define matter

At a certain temperature and pressure, 0.30 mol of carbon dioxide has a volume of 6.7 L. A 6.7 L sample of hydrogen at the same temperature and pressure A. has the same mass. B. contains the same number of atoms. C. has a higher density. D.

What is the force of attraction between the particles in a salt crystal

If the ph of a 1.00-in. rainfall over 1600 miles2 is 3.60, how many kilograms of sulfuric acid, h2so4, are present, assuming that it is the only acid contributing to the ph? for sulfuric acid, ka1 is very large and ka2 is 0.012.

Write the equilibrium-constant expression for the reaction a (g) + b (g) = 2c (g) + d (g)

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