1. what type of chemist exclusively studies most carbon compounds?
2 which of these chemical formulas-KCl,Xe,CO2, or H2- represent both an element and a molecule?
3 a miner finds a small mineral fragment with a volume of 5.74 cm^3 and a mass of 28.7g what is the density of that mineral fragment?
4 which subatomic particles have the least mass
5 an atom of magnesium has an atomic number of 12 and a mass number of 24 how many protons plus neutrons are in the nucleus
6 in which group of the periodic table do you find alkali metals?
7 which of the following elements is the most electronegative?
8 which class of elements will contain both solids and gases at room temperature?
inner transistion metals
9 based on its type of chemical bond, which of the following has the highest boiling point?
10 how many electrons are depicted in the electron dot diagram of an electrically neutral nitrogen atom?