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WorksheetsIsotopes Practice
Total questions: 17
Worksheet time: 17mins
Adding or subtracting neutrons makes the element change into a(n)...
ion
mixture
isotope
neutral atom
Which answer choice describes the subatomic particles and their respective charges?
p- e+ n0
p+ e n-
p+ e- n0
p- e+ n0
What is the atomic number of this element?
12
24
23
An atom is made up mostly of _________.
protons
gravity
empty space
electricity
Isotopes of the same element have the same number of
neutrons
protons
both neutrons and protons
Isotopes of the same element must have a different number of
neutrons
protons
both neutrons and protons
electrons
An atom of Chlorine-37 has
37 protons, 37 neutrons and 37 electrons
17 protons, 37 neutrons and 17 electrons
17 protons, 20 neutrons and 37 electrons
17 protons, 20 neutrons and 17 electrons
What do these isotopes of carbon all have in common?
neutrons and mass number
atomic number and neutrons
atomic number and electrons
atomic number, neutrons and mass number
How many neutrons does the isotope of Lithium have?
8
4
3
5
How many protons does this isotope of Titanium contain?
48
26
22
70
