Concept explainers
(a)
Interpretation:
For
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 7 is nitrogen having chemical symbol N.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 7 is nitrogen having chemical symbol N.
(b)
Interpretation:
For atomic number 10, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 10 is neon having chemical symbol Ne.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 10 is neon having chemical symbol Ne.
(c)
Interpretation:
For atomic number 11, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 11 is sodium having chemical symbol Na.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 11 is sodium having chemical symbol Na.
(d)
Interpretation:
For atomic number 28, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 28 is nickel having chemical symbol Ni.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 28 is nickel having chemical symbol Ni.
(e)
Interpretation:
For atomic number 22, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 22 is titanium having chemical symbol Ti.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 22 is titanium having chemical symbol Ti.
(f)
Interpretation:
For atomic number 18, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 18 is argon having chemical symbol Ar.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 18 is argon having chemical symbol Ar.
(g)
Interpretation:
For atomic number 36, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 36 is krypton having chemical symbol Kr.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 36 is krypton having chemical symbol Kr.
(h)
Interpretation:
For atomic number 54, the name and chemical symbol of the element 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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Answer to Problem 105AP
The name of the element having atomic number 54 is xenon having chemical symbol Xe.
Explanation of Solution
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. Every element has unique atomic number, symbol and elemental name through which it can be determined. The atomic number of an element is equal to the number of protons present in it.
Thus, the name of the element having atomic number 54 is xenon having chemical symbol Xe.
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Chapter 4 Solutions
Introductory Chemistry: A Foundation
- Average atomic masses listed by JUPAC are based on a study of experimental results. Bromine has two isotopes 79Br and 81Br, whose masses (78.9 183 and 80.9 163 amu) and abundances (50.69% and 49.3 1%) were determined in earlier experiments. Calculate the average atomic mass of bromine based on these experiments.arrow_forwardA fundamental idea of Daltons atomic theory is that atoms of an element can be neither created nor destroyed. We now know that this is not always true. Specifically, it is not true for uranium and lead atoms as they appear in nature. Are the numbers of these atoms increasing or decreasing? Explain.arrow_forwardScientists J. J. Thomson and William Thomson (Lord Kelvin) made numerous contributions to our understanding of the atom’s structure. Which subatomic particle did J. J. Thomson discover, and what did this lead him to postulate about the nature of the atom? William Thomson postulated what became known as the “plum pudding” model of the atom’s structure. What did this model suggest?arrow_forward
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- State the main points of Dalton’s atomic theory usingyour own words. Which parts of Dalton’s theory werelater found to be erronous? Explain why.arrow_forwardThe natural abundances and isotopic masses of the element neon (Ne) are Calculate the atomic mass of naturally occurring neon.arrow_forwardHow many platinum atoms are in a pure platinum ring weighing 4.32 g?arrow_forward
- Why is it important to understand atoms?arrow_forwardHydrazine, ammonia, and hydrogen azide al1 contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00 g of nitrogen for each compound is 1.44 101 g, 2.16 101 g, and 2.40 102 g, respectively. Show how these data illustrate the law of multiple proportions.arrow_forward
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