WorksheetsHyphen Notation and Nuclear Symbols
Total questions: 20
Worksheet time: 15mins
612C What does the 12 represent?
mass number (n+p)
proton/atomic number
element symbol
number of neutrons
612C What does the 6 represent?
mass number (n+p)
proton/atomic number
element symbol
number of neutrons
612C What does the C represent?
mass number (n+p)
proton/atomic number
element symbol
number of neutrons
92235X What is element X?
Nobium
Uranium
How many neutrons does an Oxygen-19 isotope have?
19
8
11
10
How many protons does this isotope of titanium have?
48
22
26
70
A neutral atom of the isotope 2612Mg would consist of
12 protons,
26 neutrons and
12 electrons
26 protons,
12 neutrons
26 electrons
26 protons,
14 neutrons
26 electrons
12 protons,
14 neutrons
12 electrons
How many protons are in the nucleus of the element shown?
19
9
10
28
How many neutrons does this isotope of titanium have?
48
22
26
70
How many neutrons does this isotope of titanium have?
48
22
26
70
How many neutrons are in the nucleus of the element shown?
19
9
10
28
How many electrons are in the electron cloud of the element shown?
19
9
10
28
One isotope of carbon is Carbon-14. What does the 14 represent?
The number of electrons
The number of protons
The mass number
The atomic number
What is the name of this isotope?
Chlorine-17
Chlorine-36
Chlorine-19
Chlorine-35
What is the mass number of this isotope of copper?
63
29
34
What is the name of this isotope of copper?
Copper-63
Copper-29
Copper-34
Comparing the nuclear notation of these three atoms which statement below is true?
These atoms are all isotopes of Carbon
All these atoms have the same mass number
All these atoms have the same number of neutrons
The chemical symbol is replaced with an X in this nuclear notation. What should X be?
Na
Mg
Cr
Using the two nuclear notations determine if these are isotopes of each other?
Yes since they have the same number of neutrons
Yes since they have the same number of protons
No since they have a different number of neutrons
No since they have different mass numbers
Based on the nuclear notation are these two atoms isotopes of each other?
Yes since they have the same mass number
Yes since they have the same atomic numbers
No since they have different atomic numbers
No since they have different numbers of neutrons
