What is the net ionic charge of a nitrogen ion?

+3

-1

-2

-3

Of the molecules sicl4 and sii4, which has bonds that are more polar?

What is the mass of nickel (ii) nitrate (182.71 g/mol) dissolved in 25.0 ml of 0.100 m ni (no3) 2 solution?

Calculate the percentage by mass of carbon CO2

Which element is reduced in this reaction? 2cr (oh) 3+3ocl-+4oh-→2cro4-2+3cl-+5h2o enter the chemical symbol of the element?

How many grams are in 4.5 moles of lithium oxide?

Which of the following substances is NOT an alloy? a. Brass b. Bronze c. Stainless steel d. Tin

Relate the statement:"you cant get something for nothing" to the law of the conservation of mass

Which compound is sometimes found in fire extinguishers

The volume coefficient of thermal expansion for gasoline is 950 * 10-6 K-1. By how many cubic centimeters does the volume of 1.00 L of gasoline change when the temperature rises from 30°C to 50°C?

An element's most stable ion forms an ionic compound with bromine, having the formula XBr. If the ion of element X has a mass number of 85 and has 36 electrons, what is the identity of the element?