Quiz | Structure and Bonding in Organic Molecules
What is the electron configuration of bromine? (Z=35)
1s2 2p6 2s2 3d10 3p6 3s2 4f7
1s2 1p6 2s2 2p6 2d10 3s2 3p6 3d1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
1s2 2s2 2d6 3s2 3d6 4s2 3p10 4d5
What is the most stable ion of calcium? (Z=20)
Ca+
Ca2+
Ca-
Ca2-
What is the most stable ionic compound formed by sodium (Z=11) and oxygen (Z=8)?
NaO
NaO2
Na2O2
Na2O
Draw one of the resonance structures of SO3. The formal charge of S is:
– 1
0
+ 1
+ 2
What is the geometry of C2Br4?
linear
trigonal plan
tetrahedral
pyramidal
With regard to species and , which of the following statements is correct?
They have the same number of electrons
They have the same number of neutrons
They have the same number of protons
None of the above
