A. when atoms share electrons to fill their outermost energy levels, they form bonds. b. when atoms transfer electrons to fill their outermost energy levels, they form bonds. what is the answer to a. and b.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.