Based on their positions in the periodic table, which element would you expect to have the smallest first ionization energy?

How many moles of solute are contained in a 500.0 milliliter solution that has a concentration of 0.35 M?

1. What type of compound is Al2 (SO4) 3? a. ionic b. metallic c. polyatomic d. covalent

Why is potassium permanganate, without any d electrons, bright purple in color?

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

Which of the following is the main disadvantage to using fossil fuels? A. Pollution B. Radioactive waste C. High cost D. Limited technology in development

Limiting Reactant For the general reaction stoichiometry of 2A + 3B → D+E, which reactant is the limiting reactant (A or B), if the initial number of moles is 3 moles of A and 4 moles of B?

Molar mass is measured in units of A. amu. B. milliliters. C. milligrams. D. grams/mole.

A compoundwhose water solution conducts electricity and turns phenolphthalein pink is? A. CH3OH B. HC2H3O2 C. HCl D. NaOH

The specific gravity of an object is 14.5. The object displaces 4 mL of water. What is its mass

Select the correct electron configuration for Vanadium. (Atomic Number 23) 1s 2 2s 6 2p 3 3s 2 3p 4 4s 2 3d 5 1s 2 2s 2 2p 6 3s 2 3p 8 4s 2 3d 1 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3 1s 2 2s 2 2p 5 3s 2 3p 7 4s 1 3d 4