The following atoms of carbon 126C, 136C and 146C can be described as?

Assessment: WAEC SSCE - Chemistry - 2016 (Objective) Subject: Chemistry

Question 1 Report

The following atoms of carbon 126C, 136C and 146C can be described as?
Answer Details
The atoms of carbon 126C, 136C and 146C can be described as isotopes. Isotopes are atoms of the same element that have different numbers of neutrons in their nuclei. These isotopes of carbon all have six protons (which define them as carbon), but they have different numbers of neutrons. 126C has 6 neutrons, 136C has 7 neutrons and 146C has 8 neutrons. Isotopes have identical chemical properties but have different atomic masses due to their different numbers of neutrons.
Read lesson note on Rates Of Chemical Reaction (JAMB)
Read lesson note on Periodic Chemistry (Nigeria Only) (WAEC)
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