WorksheetsChemistry Unit Review
Total questions: 25
Worksheet time: 4hrs 13mins
What is the number of energy levels in the atom Aluminum (Al)?
1
2
3
4
How is mass determined
subtracting the protons and electrons
subtracting the protons and neutrons
adding the protons and neutrons
adding the protons and electrons
How many electrons does Nitrogen have? Hint use your period table
3
4
7
14
Which subatomic particle has the least mass?
Nucleus
Neutron
Electron
Proton
What is the atomic number of this atom? (Use your notes)
2
4
6
none of the above
How many neutrons does this atom have?
1
2
3
4
How many protons does this atom have?
1
2
3
4
How many electrons does atom have?
1
2
3
4
How many valence electrons does this atom have?
1
2
3
4
Valence Electrons
determine the charge of the atom
determine the atomic mass
determine the atom's chemical properties
determine the charge of an atom
The horizontal row on the periodic table is called a <----------->
group
family
period
atomic number
A vertical column is called...
group
tower
period
crew
Which element is a metal?
Boron (B)
Sodium (Na)
Argon (Ar)
Silicon (Si)
Which element is a non-metal?
Potassium (K)
Carbon (C)
Sulfur (S)
Neon (Ne)
The elements along the staircase are called
metals
nonmetals
metalloids
noble gases
How shiny a metal is
luster
brittle
malleable
dull
