What kind of bond is formed when 2 atoms share 2 pairs of electrons?

When a nonmetal oxide reacts with water, it forms an oxoacid with the same nonmetal oxidation state. Give the name and formula of the oxide used to prepare each of these oxoacids: (a) hypochlorous acid; (b) chlorous acid; (c) chloric acid;

Compounds formed when non-metals react with metals consist of particles called ionic compound

Which of the following is the largest volume? A. 1.2 x 10^1 m3 B. 1.2 x 10^8 cm3 C. 2.0 x 10^4 dm3 D. 1.2 x 10^8 mm3

The temperature of a 500. ml sample of gas increases from 150. k to 350. k. what is the final volume of the sample of gas, if the pressure in the container is kept constant?

How do the particles that are dispersed in a colloid differ from the particles suspended in a suspension? The colloid particles are less dense. The colloid particles are more solid. The colloid particles are smaller. The colloid particles are larger.

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important

Which ionic compound is the most likely to dissolve in water? CaSO4 Na2SO4 BaSO4 SrSO4

Calcium (atomic number 20) has electron configuration 1s2,2s2,2p6,3s2,3p6,4s2. The atomic number of scandium is 21. Which orbital does the 21st electron enter? a. 3d b. 4p c. 4d d. 4f