Chapter3: Atoms And Elements
Section: Chapter Questions
Problem 3SC
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Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
Question
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Sort the characteristic properties of the following isotopes of nitrogen into their respective bins.
Drag the appropriate items to their respective bins.
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The mass number is 14.
Properties of N
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It has 7 neutrons.
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It has 8 neutrons. It has 9 neutrons. The mass number is 15. The mass number is 16.
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Transcribed Image Text:Isotopes are different types of atoms of the same chemical element, each having the same number of protons and electrons but a different number of neutrons. The atomic number of an element, denoted by the symbol Z, is equal to the
number of protons. The mass number of the element, denoted by the symbol A, is the sum of the number of protons and the number of neutrons. Therefore, isotopes of the same element have the same atomic number (Z), but their
mass numbers (A) are different.
For example, carbon has three isotopes, carbon-12, carbon-13, and carbon-14, with mass numbers 12, 13, and 14, respectively. All three isotopes have the same atomic number (Z = 6) but different mass numbers.
The isotopes can be represented by using symbolic notation. In symbolic notation, the mass number is written as a left superscript and the atomic number is written as a left subscript to the chemical symbol of the element:
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The isotopes of carbon with mass numbers 12, 13, and 14 can be written in symbolic notation as ¹2 C, 13 C, and ¹4 C, respectively.
Another way of representing the isotope is by stating the name of the base element followed by the mass number. For example, the isotope of carbon can be written as carbon-14 or ¹4C, since the atomic number of carbon is same.
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Write the symbolic notation of an isotope of an element having 8 protons, 8 electrons, and 10 neutrons. Click on the "Templates" button
number and atomic number of the isotope.
Express your answer as an isotope.
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