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HC ions periodicity electrons

Total questions: 65

Worksheet time: 2hrs 57mins

Name
Class
Date
1.

Calculate the frequency of the yellow light emitted by a street light, if its wavelength is 588nm.

c=λν ; c=3.00×10⁸m/s; E=hν; h=6.626×10⁻³⁴J⋅s

a)

5.10×1014s\frac{5.10\times10^{14}}{s}

b)

2.18×1014s\frac{2.18\times10^{14}}{s}

c)

5.10×1019s\frac{5.10\times10^{19}}{s}

d)

3.38×10−19s\frac{3.38\times10^{-19}}{s}

2.

Calculate the energy of light that has a wavelength of 220 nm

Note: c=λν ; c=3.00×10⁸m/s; E=hν; h=6.626×10⁻³⁴J⋅s

a)

1.4 x 10 15 J

b)

9.0 x 10 -19 J

c)

3.1 x 10 -19 J

d)

1.4 x 10 -19 J

3.

Solve this problems using the equation: 
C = λν
If an AM radio station broadcasts at
9.95 x 105 s-1, what is the wavelength of this radiation?

a)
6.59 x 10-28 m
b)
1.01 x 10-6 m
c)
3.32 x 10-3 m
d)
302 m
4.

An argon ion laser emits light at 488 nm. What is the frequency of this radiation? Note: Hz = 1/s and c=λν. and c=3.00×10⁸m/s

a)

4.07 x 10-19 Hz

b)
6.15 x 1014 Hz
c)
1.46 x 102 Hz
d)
2.05 x 106 Hz
5.

A common infrared laser operates at 1.06 x 103 nm. What if the energy of a photon with this wavelength?

c=λν ; c=3.00×10⁸m/s; E=hν; h=6.626×10⁻³⁴J⋅s

a)
7.02 x 10^-40 J
b)
6.25 x 10^-28 J
c)
3.54 x 10^-15 J
d)
1.87 x 10^-19 J
6.
Look carefully at the waves.  Which carries the most energy?
a)
microwave
b)
infrared
c)
ultraviolet
d)
x-ray
7.

Emission of light from an atom occurs when an electron ___________________ .

a)

drops from a higher to a lower energy level

b)

jumps from a lower to a higher energy level

c)

moves within its atomic orbital

d)

falls into the nucleus

8.

Which of the following elements make up the unknown sample?

a)

A and B

b)

B and C

c)

C and D

9.

Which of the following electron jumps would be responsible for the MOST energetic light emitted?

a)

5th to the 2nd energy level

b)

3rd to the 2nd energy level

10.

When an electron moves from a LOWER energy level to a HIGHER energy level:

a)

Energy is absorbed as it moves to the excited state

b)

Energy is released as it moves to the excited state

c)

Energy is absorbed as it moves to the ground state

d)

Energy is released as it moves to the ground state

11.
The _______________ determines the color of visible light. 
a)
wavelength
b)
speed
c)
amplitude
d)
light
12.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
13.
Every element has its own unique atomic spectra.
a)
True
b)
False
14.
______________ is the energy that can travel through space in the form of waves. 
a)
telescopes
b)
electromagnetic spectrum
c)
observatory
15.
Which of the following type of electromagnetic radiation has the most energy
a)
infrared
b)
ultraviolet
c)
microwaves
d)
radiowaves
16.

If an electron moves from n=4 to n=2 it ____

a)

absorbs energy

b)

releases energy

17.

What is the frequency of light with a wavelength of

4.8 x 10-7 meters? (Note: Hz=1/s)

a)

5.34 x 10-9 Hz

b)

3.0 x 108 Hz

c)

3.21 x 1017 Hz

d)

6.25 x 1014 Hz

18.
How many valence electrons does calcium (Ca) have?
a)
2.0
b)
40.0
c)
20.0
19.
How many valence electrons does potassium (K) have?
a)
19.0
b)
39.0
c)
1.0
d)
7.0
20.
How many valence electrons does oxygen (O) have?
a)
8.0
b)
6.0
c)
16.0
d)
10.0
21.
How many valence electrons does carbon (C) have?
a)
6.0
b)
12.0
c)
10.0
d)
4.0
22.
Which of the following elements is an alkali metal?
a)
Na
b)
Mg
c)
S
d)
Cl
e)
Ne
23.
Which of the following elements is an alkaline earth metal?
a)
K
b)
Ca
c)
O
d)
Cl
e)
Ar
24.
Which of the following elements is a halogen?
a)
H
b)
Al
c)
F
d)
Xe
e)
Li
25.
Which of the following elements is a noble gas?
a)
Na
b)
Mg
c)
S
d)
Cl
e)
Ne
26.
Which of the following elements is a metalloid?
a)
Li
b)
Be
c)
Si
d)
I
e)
He
27.
Which element in this list would have the highest electronegativity?
a)
F
b)
Cl
c)
Br
d)
I
e)
At
28.
Which element in this list would have the lowest electronegativity?
a)
Mg
b)
Si
c)
P
d)
Na
e)
Cl
29.
Which element in this list would have the biggest atomic radius?
a)
Li
b)
Na
c)
K
d)
Rb
e)
Cs
30.
How many protons does the following element have? Ca
a)
2.0
b)
6.0
c)
20.0
d)
40.0
31.
How many protons does the following element have? O
a)
2.0
b)
6.0
c)
8.0
d)
16.0
32.
How many protons does the following element have? Ag
a)
15.0
b)
47.0
c)
107.0
d)
108.0
33.
Which of the following elements is an alkali metal?
a)
Al
b)
Zn
c)
Be
d)
Li
e)
F
34.
Which of the following elements is an alkaline earth metal?
a)
Au
b)
Ga
c)
Mg
d)
Se
e)
C
35.
Which of the following elements is a halogen?
a)
He
b)
B
c)
Ga
d)
Br
e)
P
36.
Which of the following elements is a noble gas?
a)
Xe
b)
Na
c)
I
d)
S
e)
N
37.
Which of the following elements is a metalloid?
a)
Li
b)
F
c)
Ge
d)
Xe
e)
He
38.

Which period 2 element would have the HIGHEST electronegativity?

a)
F
b)
O
c)
N
d)
Cl
e)
Li
39.
Which period 4 element in this list would have the smallest atomic radius?
a)
K
b)
Ca
c)
Fe
d)
Se
e)
Kr
40.
Which group 17 element would have the hightes ionization energy?
a)
F
b)
Cl
c)
Br⁺
d)
I
e)
At
41.
Choose the correct symbol for an atom with 8 protons and 10 electrons.
a)
O²⁻
b)
Ne
c)
C⁺²
d)
O²⁺
42.
Choose the correct symbol for an atom with 10 protons and 10 electrons.
a)
O²⁻
b)
Ne
c)
C⁺²
d)
O²⁺
43.
Choose the correct symbol for an atom with 13 protons and 10 electrons.
a)
Ne
b)
Al³⁻
c)
Al³⁺
d)
Ne³⁻
44.
Choose the correct symbol for an atom with 20 protons and 18 electrons.
a)
Ca²⁻
b)
Ar
c)
Ar⁺²
d)
Ca²⁺
45.
Choose the correct symbol for an atom with 35 protons and 36 electrons.
a)
Se⁻
b)
Br ⁻
c)
Br⁺
d)
Kr ⁻
46.
Which term means "How strongly an atom of an element attracts bonding electrons"?
a)
Valence electrons
b)
Ionization energy
c)
Electronegativity
d)
Coulombic attraction
47.
Which term means "electrons in the highest or outermost energy level"?
a)
Valence electrons
b)
Ionization energy
c)
Electronegativity
d)
Coulombic attraction
48.
Which term means "amount of energy required to remove an electron from an atom"?
a)
Valence electrons
b)
Ionization energy
c)
Electronegativity
d)
Coulombic attraction
49.

Which group consists entirely of nonmetals?

a)

Group 1

b)

Group 13

c)

Group 14

d)

Group 17 element

50.

Which of the following consists entirely of metals?

a)
Alkaline earth metals
b)
Carbon family
c)
Halogens
d)
Noble gases
51.
Most of the elements on the periodic table are...
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
gases
52.
Which type of element is the most reactive with water?
a)
Transition metals
b)
Alkaline earth metals
c)
Alkali metals
d)
Group 13 elements
53.

Which of the following is NOT a type of atomic orbital?

a)

s

b)

p

c)

d

d)

  1. q

54.

Which of the following statements about atomic orbitals is TRUE?

a)

An atomic orbital can hold any number of electrons.

b)

An atomic orbital can only hold one electron.

c)

An atomic orbital defines a region where an electron is most likely to be found.

d)

An atomic orbital has a specific size and shape.

55.

How many sublevels does the energy level with n = 3 have?

a)

1

b)

2

c)

3

d)

4

56.

The ground state electron configuration describes the distribution of electrons in an atom at its:

a)

highest energy level

b)

lowest energy level

c)

middle energy level

d)

specific energy level

57.

Which of the following electron configurations represents a noble gas element?

a)

1s²2s²2p⁶3s²3p⁵

b)

1s²2s²2p⁶

c)

1s²2s²2p⁵

d)

  1. 1s²2s²2p⁶3s¹

58.

The outermost shell of an atom is also known as the:

a)

valence shell

b)

core shell

c)

inner shell

d)

  1. principal shell

59.
What is the electronic configuration of iron?
a)
1s22s22p63s23p64s23d6
b)
1s22s22p63s23p63d8
c)
1s22p63s23p64s23d6
d)
1s22s22p63s23p64s13d6
60.
Which electron configuration belongs to Copper (Cu)?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d8
b)
1s2 2s2 2p6 3s2 3p6 4s2 3d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 3d10
61.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
62.

What is this element?

1s22s22p63s23p64s23d104p6

a)

Argon

b)

Krypton

c)

Selenium

d)

Bromide

63.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
64.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
65.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon

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