If barium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many barium atoms are needed to form an ionic bond with chlorine?

The time line shows that the major way the United States gained territory in the early 19th century was through (1) war (3) executive orders (2) diplomacy (4) arbitration

Each of the four types of reaction stoichiometry problems requires using a

Calculate the molarity of 80.0 ml of a solution that is 0.92 % by mass nacl. assume the density of the solution is the same as pure water.

Compare and contrast physical property and chemical property

What causes water molecules to be attracted to each other? A) polar covalent bonds inside each water molecule B) hydrogen bonds inside each water molecule C) ionic bonds between water molecules D) nonpolar covalent bonds between water molecules

A molecule from a new organism contains adenine, cytosine, guanine, and thymine. What molecules is being looked at?

In what pH range does phenol red change from yellow to pink

Given the generic chemical reaction below write the rate of the reaction

23 For a reaction at equilibrium, which change can increase the rates of the forward and reverse reactions?

If the formula for potassium chlorate is KClO3 and the formula for magnesium fluoride is MgF2, then what isthe formula for magnesium chlorate?