Font size
WorksheetsUnit 4/5 Review R
Total questions: 35
Worksheet time: 38mins
How many protons does this isotope of titanium have?
(a)
Which of these shows an isotope of Fluorine that has 12 Neutrons?
Which of these shows an isotope of Sulfur that has 18 Neutrons?
What is the nuclear notation for Carbon-14?
Carbon - 6
Which atom will have a +1 charge?
3 protons
4 neutrons
3 electrons
3 protons
4 neutrons
4 electrons
3 protons
4 neutrons
2 electrons
3 protons
3 neutrons
3 electrons
Proton
1 mass, Positive charge
Neutron
1 mass, No Charge
Electron
No mass, Negative Charge
An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is
(a)
How many neutrons does an atom of the isotope Neon-22 have?
(a)
What is the mass number of an atom of gold with 117 neutrons?
(a)
When an atom loses a valence electron, it becomes a(n) _____________ ion.
cation
negative
neutral
anion
If an element has 7 valence electrons, how many electrons will it gain or lose?
Gain 1 electron
Lose 1 electron
Gain 7 electrons
Lose 7 electrons
Match the following valance electron trends to their correct response.
Lose them
Few valance electrons (1-3)
Gain them
More valence electrons (5-7)
Keep them
8 valence electrons
Lose or Gain
4 valence electrons
This could be the dot diagram of
Al
Cl
C
Xe
Atoms of the same element will always have the same number of ---
Match the following elements to the charge it will have when it becomes charged:
As
-3
O
-2
Br
-1
Kr
0
B
+3
USE THE PERIODIC TABLE
Find the element that has 3 Valence Electrons and 2 energy levels.
Type the symbol for the element (not the name)
(a)
USE THE PERIODIC TABLE
Find the element that has 5 Valence Electrons and 4 energy levels.
Type the symbol for the element (not the name).
(a)
Label the parts of the standard notation for this atom
Mass number
Atomic number
Symbol
Charge
lithium
2 energy levels
helium
1 energy level
aluminum
3 energy levels
bromine
4 energy levels
strontium
5 energy levels
I am an Alkaline Earth Metal in Period 6. Who am I?
(a)
This metalloid is in the same period as Arsenic.
Silicon
Germanium
Antimony
Zinc
The only metalloid period 3.
(a)
An alkali Metal in Period 4.
(a)
Elements gain and lose electrons to form ions with this magic number of electrons
(a)
How many electrons does this Copper atom have?
(hint: it has no charge, or the charge is zero)
(a)
How many neutrons does this Copper atom have?
(a)
Match the following element to their number of valence electrons:
lithium
1
magnesium
2
phosphorus
5
fluorine
7
neon
8
Determine whether these atoms will gain or lose electrons to become stable:
Si
N
S
Cl
Na
Be
Ga
Sn
He
Ar
Match the following elements to the charge it will have when it becomes charged:
As
-3
O
-2
Br
-1
Kr
0
B
+3
Match the following
ION
atom with an electrical charge
CATION
loss of electrons
ANION
gain of electrons
Na+
example of an cation
Cl-
example of an anion
Label the atom!
Electron cloud
Proton
Neutron
Electron
Nucleus
Match the generic Lewis Valence Electron Dot Structure with the elements that would have the same Lewis structure.
Na
Mg
Al
C
N
Match each description to the correct vocabulary word
same element
same atomic number
same number of protons
different number of electrons
different charge
different number of neutrons
different atomic mass
