Exam 12: Chemical Bonding

A likely ratio of the masses of oxygen in two different compounds of tin and oxygen, both of which contain the same mass of tin, is

What is the formula of the compound formed from the ions of aluminum and oxygen?

Combinations of atoms from the far right side of the periodic table with atoms from the far left side usually form ______________ compounds.

Predict the ionic charge for an ion of each of the following representative elements. a. Li b. Se c. Kr d. N

The formula for the ionic compound sodium nitride is ______________.

The percentage by mass of hydrogen in methane, CH₄, is about

In the ______________ phase, ionic compounds conduct electricity.

In 400 B.C., a Greek named ______________ championed the idea that if matter were repeatedly cut into smaller divisions, eventually an indivisible particle would be reached.

Which of the following elements commonly forms an ion with a 1- charge?

What is the correct formula for calcium phosphate?

Compounds tend to be ______________ compounds if they are formed from two or more nonmetals.

A positively charged ion is called a(n) ______________.

Which of the following ions would never form in chemical reactions?

Which of the following compounds should be named using the Stock system?

The formula mass of water, H₂O, is

Which of the following compounds contains both ionic and covalent bonds?

The dipole arrow in an S-Se bond would point toward the ______________ atom.

The dipole arrow in an F-O bond would point toward the ______________ atom.

Element A, mass 9.00 g, reacts exactly with 5.00 g of element B to form 14.00 g of compound AB. If 36.00 g of element A is reacted with 41.00 g of element B to form the same compound, what mass of compound AB will be formed?

In the liquid phase, covalent compounds generally conduct electricity