chemistry review-stage 2

how many blocks are there in the periodic table?

• 3

• 4

• 7

• 2

presented in 1913 and was a modification of Bohr's atomic model.

Proposed stable electron orbits

• Quantum model

• Solid sphere model

• Planetary model

• Nuclear model

what is noble gas notation?

• a noble gas configuration of an atom consisting of the elemental symbol of the last noble had prior to that atom followed by the configuration of the remaining electrons

• atoms represented through arrows

• a noble gad configuration of an atom consists of the elemental symbol of the last metal prior to that atom

• electrons represented in a diagram

Represent Ernest Rutherford's atomic model: Nuclear model

how many orbital are there in sublevel "s"?

• 3

• 4

• 1

• 6

how many electrons can a 2p orbital hold?

• 1

• 2

• 4

• 6

how many electrons can a 3p sublevel hold?

• 6

• 4

• 2

• 1

find the electronic configuration of B

• [He] 2s2 2p1

• 1s2 2s2 3p1

• 1s3 2s5 2p4

• 2s3 4s3 2p1

find the electron configuration of Mg

• 1s2 2s2 2p6 3s2

• 1s3 2s5 2p4

• 1s2 2s2 3p6 3s4 4p8

• 1s2 4s2 6p6 3s5

find the noble gas notation of Oxygen

• [He] 2s2 2p4

• [Ne] 2p1

• [Ne] 2s2 3p6 3s4 4p8

• [He] 4s2 6p6 3s5