The electron configuration for magnesium is shown below.

1s22s22p63s2

which diagram shows the correct distribution of electrons in the electron shells of a magnesium atom?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

What is the main reason why some developing countries fear the increase the free trade policies around the world?