Use words from the box to complete the following sentences.
an electron a neutron a proton |
The particle with a positive charge is ..........................................
The particle with the smallest mass is ..........................................
The particle with no charge is ..........................................
Carbon has three naturally occurring isotopes
State the meaning of the term isotope.
Carbon-14 is a radioactive isotope of carbon.
A nucleus of this isotope can be represented as
The number of neutrons in a carbon-14 nucleus is
☐ | A | 6 |
☐ | B | 8 |
☐ | C | 14 |
☐ | D | 20 |
Another isotope of carbon is carbon-13.
Complete the following sentence.
A nucleus of carbon-13 contains ................... protons and ................... neutrons.
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