04: (a) Nitrogen occurs naturally as 2 isotopes: N-14 and N-15 O Nitrogen has an atomic number of 7. Suppose it gains 3 electrons. Draw the structure of N ion which is formed, write down its formula and state whether it is a cation or an anion. (i) The abundance of N-14 and N-15 are 99.6% and 0.4% respectively. What is the atomic mass of N? Show all your working clearly. (iii) Write down the formula for the element Nitrogen (b) Isotopes of certain elements, such as carbon-14 can be used in biochemical and medical research. The second isotope of these elements is radioactive, is called a radioisotope and is used in research because it has the same chemical properties as the non-radioactive isotope. Why are the chemical properties of all isotopes of the same element identical?
04: (a) Nitrogen occurs naturally as 2 isotopes: N-14 and N-15 O Nitrogen has an atomic number of 7. Suppose it gains 3 electrons. Draw the structure of N ion which is formed, write down its formula and state whether it is a cation or an anion. (i) The abundance of N-14 and N-15 are 99.6% and 0.4% respectively. What is the atomic mass of N? Show all your working clearly. (iii) Write down the formula for the element Nitrogen (b) Isotopes of certain elements, such as carbon-14 can be used in biochemical and medical research. The second isotope of these elements is radioactive, is called a radioisotope and is used in research because it has the same chemical properties as the non-radioactive isotope. Why are the chemical properties of all isotopes of the same element identical?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 118CWP
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