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Electron Configuration & Periodic Trends

Total questions: 30

Worksheet time: 38mins

Name
Class
Date
1.

Which of these sequences do NOT show the correct trend in ionization energy?

a)
Al<Si< P<Cl
b)
Be<Mg<Ca<Sr
c)
I<Br<Cl<F
d)
Na<Mg<Al<Si
2.
From the following elements, which has the highest electronegativity?
a)
Na
b)
Mg
c)
Si
d)
Cl
3.
What is the electron configuration for Arsenic?
a)
1s2 2s2 2p6 3s2 3p6 4s2 4p3
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3
d)
1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p3
4.
Which element has a noble gas configuration of [Ne] 3s2 3p3?
a)
Magnesium
b)
Phosphorus
c)
Aluminum
d)
Sulfur
5.
Which element has the electron configuration, 1s2 2s2 2p6 3s2 3p6 4s23d10?
a)
Phosphorus
b)
Zinc
c)
Potassium
d)
Copper
6.
What is the trend of atomic radius? 
a)
Atomic radius decreases from Titanium to Zinc
b)
Atomic Radius increases from Barium to Beryllium
c)
Atomic radius decreases from Nickel to Gold
d)
Atomic Radius increases from Chromium to Fluorine
7.
Which statement describes the general trends in electronegativity and metallic properties across Period 3 moving from left to right? 
a)
Electronegativity increases and metallic properties decrease.
b)
Electronegativity decreases and metallic properties increase.
c)
Both electronegativity and metallic properties increase.
d)
Both electronegativity and metallic properties decrease.
8.

What is this element?

1s22s22p63s23p64s23d104p6

a)

Argon (Ar)

b)

Krypton (Kr)

c)

Selenium (Se)

d)

Bromine (Br)

9.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
10.

Which family is the LEAST reactive on the Periodic Table?

a)

Alkali metals

b)

Alkali earth metals

c)

Halogens

d)

Noble gases

11.

Which element has the lowest electronegativity?

a)

Ba

b)

Be

12.

Which element has the bigger atomic radius?

a)

I

b)

F

13.
In order for sulfur to reach an octet, sulfur will...
a)
Gain 2 electrons
b)
Lose 2 electrons
c)
Gain 1 electron
d)
Lose 1 electron
14.
In order for lithium to reach an octet, lithium will...
a)
Gain 2 electrons
b)
Lose 2 electrons
c)
Gain 1 electron
d)
Lose 1 electron
15.

Which of the following Period 2 elements has the highest 1st ionization energy?

a)
Boron
b)
Nitrogen
c)
Beryllium
d)
Fluorine
16.
As one proceeds from fluorine to iodine in the Halogen family, the electronegativity ____.
a)
Decreases and atomic radius increases
b)
Decreases and atomic radius decreases
c)
Increase and atomic radius increases
d)
Increases and atomic radius decreases
17.
What type of sublevel can hold a maximum of 10 electrons?
a)
s
b)
p
c)
d
d)
f
18.
Which color of visible light has the lowest energy?
a)
Red
b)
Orange
c)
Blue
d)
Violet
19.
Which color of visible light has the highest frequency?
a)
Red
b)
Orange
c)
Blue
d)
Violet
20.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
21.
What orbital is shown in the picture?
a)
s
b)
p
c)
d
d)
f
22.
What orbital is shown in the picture?
a)
s
b)
p
c)
d
d)
f
23.
What element is the following electron configuration for?
[Xe]6s24f145d8
a)
Silver
b)
Palladium
c)
Platnium
d)
Gold
24.
Which element is depicted from this atomic orbital diagram?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Phosphorus
25.
What is the electron configuration for palladium?
a)
1s22s22p63s23p64s23d104p65s24d8
b)
1s22s22p63s23p64s23d104p65s24d10
c)
1s22s22p63s23p64s24d104p65s25d8
d)
1s22s22p63s23p64s23d104p65s2
26.
What is the electron configuration for Ca+2?
a)
1s22s22p63s23p64s2
b)
1s22s22p63s23p64s23d2
c)
1s22s22p63s23p6
d)
1s22s22p63s23p8
27.
What is the noble gas configuration for nickel?
a)
[Kr]4s23d8
b)
[Ar]4s24d8
c)
[Kr]4s23d10
d)
[Ar]4s23d8
28.

Which ion is isoelectric to argon?

a)

Cl-

b)

Ca2+

c)

P3-

d)

all of these

29.

A beam of light has a wavelength of 600 nm in air. What is the frequency of the light (c = 3x108 m/s)?

a)

5 x 1014 Hz

b)

2 x 1014 Hz

c)

3 x 1014 Hz

d)

6 x 1014 Hz

30.

Find the frequency of an electromagnetic wave with a wavelength 2.75 × 10–8 m.

a)

1.10 Hz

b)

1.09 × 1016 Hz

c)

9.17 × 1015 Hz

d)

9.17 × 1016 Hz

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