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1 a.m.u is defined as the 1/12th mass of a atom of carbon-12 .Is the carbon-12 and the carbon (in the periodic table) the same.

1 a.m.u is defined as the 1/12th mass of a atom of carbon-12 .Is the carbon-12 and the carbon (in the periodic table) the same.

Grade:10

2 Answers

Shrish Khanna
19 Points
9 years ago
yes 
 
only they choose carbon although oxygen, nitrogen , are there??
 
because carbon is the one which gives same repeat repeat values 
 
 
 
 
 
Raheema Javed
156 Points
9 years ago
Yes Carbon12 is the same carbon as in the periodic table.
Carbon-12 is the more abundant of the two stable isotopes of the element carbon, accounting for 98.89% of carbon; it contains six protons, six neutrons and six electrons.Carbon-12 is of particular importance as it is used as the standard from which atomic masses of all nuclides are measured: its mass number is 12 by definition.

Carbon-12

General
Name symbol -Carbon,12C
Neutrons- 6
Protons -6
Nuclide data
Natural abundance- 98.89%
Parent isotopes -12N,12B
Isotope mass -12 u

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