Naturally occurring cobalt consists of only one isotope, 59Co , whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt, 60Co , relative atomic mass 59.9338, is used in radiation therapy for cancer. A 1.7320 g sample of cobalt has an apparent "atomic mass" of 58.9901. Find the mass of 60Co in this sample. Express your answer with the appropriate units. Express no of atoms using four significant figures 21.899 g Cr 46.347 gS 12.360 g Pt 96.471 g Sn
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Naturally occurring cobalt consists of only one isotope, 59Co , whose relative
Express no of atoms using four significant figures
21.899 g Cr
46.347 gS
12.360 g Pt
96.471 g Sn
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