WorksheetsUnit 2 &3 Review: What Do You Know?
Total questions: 61
Worksheet time: 2hrs 45mins
1s22s22p63s2
Explain the trend in atomic radius as you move down a group in the periodic table.
The atomic radius increases
The atomic radius fluctuates
The atomic radius remains constant
The atomic radius decreases
Which of the following elements has the largest atomic radius: Lithium, Carbon, or Fluorine?
Oxygen
Fluorine
Carbon
Lithium
N or C?
Isotopes of an element have a different number of...
Protons
Neutrons
Electrons
Mass
What is the ATOMIC MASS of the isotope Carbon-14?
14
6
12
20
Using the picture, you can determine that Carbon-13 has ____ neutrons.
13
6
12
7
An element's atomic number _______ changes.
always
sometimes
never
Match the following
number of protons
18
number of neutrons
22
mass number
40
noble gases
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
Choose the correct electron configuration for Chlorine (Cl).
1s2 2s2 2p1
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p5
Choose the correct electron configuration for Beryllium (Be).
1s1
1s2 2s2
1s2 2s2 2p1
Match the elements with their electron configuration! (3 minutes)
1s2 2s2 2p3
Nitrogen, N
1s2 2s2 2p6 3s2 3p3
Phosphorus, P
1s2
Helium, He
1s2 2s2 2p6 3s2 3p6
Argon, Ar
1s2 2s2 2p6 3s2 3p6 4s2 3d5
Manganese, Mn
What element has this electron configuration?
hydrogen
helium
lithium
beryllium
1s22s22p63s2
1s22s22p63s23p64s23d10
How many valence electrons does carbon have?
4
5
6
7
What are valence electrons?
The total number of electrons in an atom
The number of electrons in the outermost shell
The number of electrons in the second shell
The number of protons in the outermost shell
A(n) ______________is an ion that has a positive charge.
anion
cation
isotope
allotrope
This is a correct dot diagram for neon (Ne)
true
false
How would you draw a Lewis dot diagram for Magnesium?
What is the light that you can see called?
observatory light
ultraviolet light
visible light
infrared light
Which wave has the shortest wavelength?
Which wave has the longest wavelength?
Which wave has the most energy?
Which of the following colors of light have the highest energy
red
orange
green
purple
When heated, electrons are ____________.
annoyed
irritated
excited
angered
Which image shows the lower energy light released?
strontium
red
yellow
orange
blue
What is the correct order of the visible light spectrum starting with the longer wavelength?
Red, yellow, orange, blue, violet, indigo
Violet, indigo, blue, green, yellow, orange, red
Green, yellow, blue, indigo, red, orange
Red, orange, yellow, green, blue, indigo, violet
This is a correct dot diagram for fluorine (F)
true
false
This is a correct dot diagram for oxygen (O)
true
false
Identify the Electron Configuration for Aluminum (Al)
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 4p1
