Isotopes

Front

What do these isotopes of carbon all have in common?

Back

They would all have the same number of protons.

Front

How many neutrons does this isotope of lithium have?

Back

5

Front

What quantities vary between the isotopes of an element?

Back

The number of neutrons.

Front

Which isotope has the greatest atomic mass?

• Li-6
• Li-7
• Li-8
• they all have the same atomic mass

Back

Li-8

Front

Fluorine has an atomic number of 9. What can you conclude about an atom of fluorine from this fact?

Back

It has 9 protons.

Front

In what part of an atom can protons be found?

Back

inside the atomic nucleus

Front

An atom of fluorine has an atomic mass of 19 amu and an atomic number of 9. What can you infer about this atom?

Back

It has 10 neutrons.

Front

If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:

Back

32

Front

If a hydrogen atom has 1 proton, 1 electron, and 1 neutron, its atomic number is:

Back

1

Front

What do carbon-12 and carbon-14 have in common?

Back

they have same number of protons