What is the nature of the P-O bond in phosphorus pentoxide (P2O5) ?

A.) nonpolar covalent

B.) moderately polar covalent

C.) highly polar covalent

D.) ionic

E.) polar ionic

Chandra wants to know how many moles are contained in 150.0 g CCl4 (carbon tetrachloride). What quantity of CCl4 should she use to make this conversion? a. number of moles b. molecular mass c. molar mass d. mole ratio

Why are radioactive substances useful for measuring geologic time?

Predict the number of each atom needed to form a molecule of potassium Sulfide.

What is the lower bottom number the periodic table mean again?

Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction? A. carbon + oxygen + carbon dioxide B. carbon + oxygen → carbon dioxide C. carbon dioxide → carbon + oxygen D.

The sun is composed entirely of oxygen and helium True or False?

What is the oxidation number for Mn in Mn2O7? (provide sign and number)

If you have 9900 g of donuts, how many donuts do you have if each donut has a mass of 150 g?

Particles which revolve around nucleus are called

If you collect, organize and interpret you data properly, you will always be able to draw a logical conclusion