Isotopes Question Preview (ID: 23855)


This Review Is Designed To Reinforce The Basics When Considering Istopes. TEACHERS: click here for quick copy question ID numbers.

Every atom of an given element has the same number of what two subatomic particles?
a) quarks and hadrons
b) electrons and neutrons
c) neutrons and quarks
d) electrons and protons

Every atom of a given element does NOT have the same number of what subatomic particle?
a) neutrons
b) protons
c) electrons
d) quarks

Atoms of the same element that have different numbers numbers of neutrons in the nucleus AND different mass numbers are called:
a) isopropyl
b) isotopes
c) isometric
d) isothermic

All isotopes of a given element have the same:
a) atomic variable
b) atomic number
c) atomic mass
d) atomic valence

Even though isotopes of an element have the same atomic number, they have different:
a) mass proportions
b) mass weights
c) mass totals
d) mass numbers

The reason isotopes have the same atomic number but different mass numbers is they have different numbers of:
a) protons
b) neutrons
c) electrons
d) hadrons

Oxygen atoms have 8 protons in their nucleus, giving them an atomic number of:
a) 4
b) 8
c) 12
d) 16

Some oxygen isotopes have 8 protons and 8 neutrons in their nucleus, which gives them an atomic mass number of:
a) 8
b) 16
c) 24
d) 32

What is the atomic mass number of an oxygen (atomic number 8) isotope that has 9 neutrons?
a) 8
b) 9
c) 16
d) 17

What is the atomic mass number of an oxygen (atomic number 8) isotope that has 10 neutrons?
a) 8
b) 10
c) 16
d) 18

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