11. What is the shape of the s orbital?

How can sedimentary rock become metamorphic rock

Calculate the number of moles in 0.457 grams of NaCl, sodium chloride

What do ionic bond and covelant bond have in common? A) Both types of bond involve only one electron B) both type of bonds involve valance electrons C) electrons are transferred from one atom to another in both types of bonds D) Electrons are shared

H + concentration of 0.0445 M, its pH be

After which atomic number is every element radioactive and can form through artificial transmutation?

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