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22 notecards = 6 pages (4 cards per page)

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Chapter 9 Homework

front 1

Write the full electron configuration for P. Put a space between each sublevel. Write superscripts as normal numbers (like 1s2 2s2 2p6 etc.)

back 1

1s2 2s2 2p6 3s2 3p3

front 2

Write the full electron configuration for Sr. Put a space between each sublevel. Write superscripts as normal numbers (like 1s2 2s2 2p6 etc.)

back 2

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2

front 3

Write the full electron configuration for Pb. Put a space between each sublevel. Write superscripts as normal numbers (like 1s2 2s2 2p6 etc.)

back 3

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2

front 4

Write the full electron configuration for Fe+2. Put a space between each sublevel. Write superscripts as normal numbers (like 1s2 2s2 2p6 etc.)

Hint: Write out the complete electron configuration for the Fe atom first and then adjust for the charge.

back 4

1s2 2s2 2p6 3s2 3p6 3d6

Ex.

removed 4s2 from 1s2 2s2 2p6 3s2 3p6 4s2 3d6

front 5

What group of elements is represented by d block?

back 5

transition metals

front 6

Draw an energy level diagram for nitrogen. Start with the 1s orbital and use arrows to represent the electrons.

How many unpaired electrons does nitrogen have?

back 6

3

front 7

The number of unpaired electrons in Na is

back 7

1

front 8

The number of unpaired electrons in Br is

back 8

1

front 9

The number of unpaired electrons in S is

back 9

2

front 10

To which grouping does Cl belong?

back 10

halogens

front 11

To which grouping does P belong?

back 11

nonmetals

front 12

To which grouping does Na belong?

back 12

alkali metals

front 13

State the number of energy levels for As.

back 13

4

Ex.

Based off number of rows at the left of the periodic table.

front 14

State the number of energy levels for Br.

back 14

4

front 15

State the number of valence electrons for Se.

back 15

6

Ex.

Based off number of columns at top of the periodic table.

front 16

State the number of valence electrons for Al.

back 16

3

front 17

N is smaller than N3-.

back 17

True

front 18

Fe is larger than Fe2+.

back 18

True

front 19

Order the following from highest ionization energy (1) to lowest ionization energy (3):

Ga, Ti, Br

back 19

front 20

Order the following from lowest ionization energy (1) to highest ionization energy (3):

Ag, Rb, I

back 20

front 21

Order the following from smallest (1) to largest (3):

Ag, Rb, I

back 21

front 22

Order the following from largest (1) to smallest (3):

Ga, Ti, Br

back 22