Concept explainers
A.
To find: The atomic number and atomic weight of a carbon atom.
Concept introduction:
Carbon is an element with the symbol C. It belongs to group 14 of the periodic table. It has 6 protons in the nucleus and 6 electrons around the nucleus in different shells. Each isotope of carbon has varying numbers of neutrons and there is no difference in their
B.
To find: The number of electrons in the carbon atom.
Concept introduction: Carbon is an element with the symbol C. It belongs to group 14 of the periodic table. It has 6 protons in the nucleus and 6 electrons around the nucleus in different shells. Each isotope of carbon has varying numbers of neutrons and there is no difference in their chemical reaction.
C.
To find: The number of additional electrons to fill the outermost shell and their effect on carbon’s chemical behaviour.
Concept introduction: Carbon is an element with the symbol C. It belongs to group 14 of the periodic table. It has 6 protons in the nucleus and 6 electrons around the nucleus in different shells. Each isotope of carbon has varying numbers of neutrons and there is no difference in their chemical reaction.
D.
To explain: The structural difference between a nonradioactive carbon 12 and a radioactive carbon 14, and the effect on their chemical behaviour.
Concept introduction: Carbon is an element with the symbol C. It belongs to group 14 of the periodic table. It has 6 protons in the nucleus and 6 electrons around the nucleus in different shells. Each isotope of carbon has varying numbers of neutrons and there is no difference in their chemical reaction.
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