How many elements have to be present for a compound to form?

Complete both resonance structures of nitrous acid, hno2by adding the missing lone pair electrons, multiple bonds, and non-zero formal charges. do not add curved arrows, reaction arrows, or plus signs between the structures.

Which of these is the best definition of a fuel cell? a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity a

How many different elements are in nine substances

An atom has the following electron configuration. 1s22s22p63s23p64s23d3 How many valence electrons does this atom have? A. 2 B. 3 C. 5 D. 11

Two samples of sodium chloride were decomposed into their constituent elements. one sample produced 4.65 g of sodium and 7.16 g of chlorine, and the other sample produced 7.45 g of sodium and 11.5 g of chlorine.

List one reason as to why historical growth has slowed in recent years.

Name some specific liquids that you think might contain less than 80 percent water.

The ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. in the first step of the ostwald process, ammonia is reacted with oxygen gas to produce nitric oxide and water.

Convert 6.766 * 10 ms into s

How much CO2 is produced from 10g of CH4?