Concept explainers
(a).
Interpretation:
The chemical symbol and
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the
(a).
Answer to Problem 85AP
The chemical symbol of astatine is At and its atomic number is 85.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of astatine is At and its atomic number is 85.
(b).
Interpretation:
The chemical symbol and atomic number of xenon should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
(b).
Answer to Problem 85AP
The chemical symbol of xenon is Xe and its atomic number is 54.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of xenon is Xe and its atomic number is 54.
(c).
Interpretation:
The chemical symbol and atomic number of radium should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
(c).
Answer to Problem 85AP
The chemical symbol of radium is Ra and its atomic number is 88.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of radium is Ra and its atomic number is 88.
Interpretation:
The chemical symbol and atomic number of strontium should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
Answer to Problem 85AP
The chemical symbol of strontium is Sr and its atomic number is 38.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of strontium is Sr and its atomic number is 38.
e
Interpretation:
The chemical symbol and atomic number of lead should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
e
Answer to Problem 85AP
The chemical symbol of lead is Pb and its atomic number is 8.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of lead is Pb (from the Latin word plumbum) and its atomic number is 82.
f
Interpretation:
The chemical symbol and atomic number of selenium should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
f
Answer to Problem 85AP
The chemical symbol of selenium is Se and its atomic number is 34.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of selenium is Se and its atomic number is 34.
g
Interpretation:
The chemical symbol and atomic number of argon should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
g
Answer to Problem 85AP
The chemical symbol of argon is Ar and its atomic number is 18.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of argon is Ar and its atomic number is 18.
h
Interpretation:
The chemical symbol and atomic number of cesium should be determined.
Concept Introduction:
Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized.
h
Answer to Problem 85AP
The chemical symbol of cesium is Cs and its atomic number is 55.
Explanation of Solution
There are in total 118 elements known to exist in nature shown in the periodic table. Every element in the nature has given its own symbol, which is a shorthand method for representing the element. It is an easy way to represent the element by symbol instead of writing out the name of an element. The symbol of the element can be represented by one or two letters. For two letter symbols, only first letter is capitalized. The number of protons present in the nucleus of an atom signifies the atomic number of the atom, the atomic number is unique for every element.
Thus, chemical symbol of cesium is Cs and its atomic number is 55.
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Chapter 4 Solutions
Introductory Chemistry: A Foundation
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