How do you find the number of valence electrons in an atom of a representative element?

Consider two equal-sized containers, one filled with H2 gas and one with O2 gas at the same temperature and? and pressure. The average velocity of the O2 molecules is (equal to, greaterthan, less than) that of the H2 molecules. 1. greater than2.

How many electrons can be held in the second orbital (closest to the nucleus)

The amplitude of a wave is most directly related to what wave characteristic? Crest length Frequency Wavelength Wave height

In the following reaction, how many liters of oxygen will react with 270 liters of ethene (C2H4) at STP? C2H4 (g) + 3O2 (g) 2CO2 (g) + 2H2O (g) The volume of one mole of gas at STP is 22.4 liters

In a chemical reaction, water decomposes to form hydrogen and oxygen. What is the correct term for the water. (a.) An atom (b.) An element (c.) A reactant (d.) A product

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Is the bonds that cause gaseous Cl2 to become liquid when cooled intramolecular or intermolecular

Describe an example of deposition

What is meant by solvation? A. nonpolar solute surrounded by polar solvent B. polar solute surrounded by nonpolar solvent C. ionic solute surrounded by nonpolar solvent D. ionic solute surrounded by polar solvent

7. Convert 158 g of C to moles.