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Chapter 2: Problem 65

What is the symbol for an ion with 63 protons, 60 electrons, and 88 neutrons? If an ion contains 50 protons, 68 neutrons. and 48 electrons, what is its symbol?

Short Answer

Expert verified
The symbols for the ions are: \(^{151}Eu^{3+}\) and \(^{118}Sn^{2+}\).

Step by step solution

01

Find the atomic number

The atomic number is the number of protons. In this case, the ion has 63 protons, so its atomic number is 63.
02

Find the mass number

The mass number is the sum of protons and neutrons. The ion has 63 protons and 88 neutrons, so its mass number is: \(63 + 88 = 151\)
03

Find the charge of the ion

The charge is the difference between the number of protons and electrons. The ion has 63 protons and 60 electrons, so its charge is: \(63 - 60 = +3\)
04

Find the element symbol

Using the periodic table, we find that the element with the atomic number 63 is Europium (Eu). The ion symbol is written with the mass number and charge as superscripts, so the symbol for this ion is: \(^{151}Eu^{3+}\) For the second ion with 50 protons, 68 neutrons, and 48 electrons:
05

Find the atomic number

The number of protons is 50, so the atomic number is 50.
06

Find the mass number

The ion has 50 protons and 68 neutrons, so its mass number is: \(50 + 68 = 118\)
07

Find the charge of the ion

The ion has 50 protons and 48 electrons, so its charge is: \(50 - 48 = +2\)
08

Find the element symbol

Using the periodic table, we find that the element with the atomic number 50 is Tin (Sn). The ion symbol is written with the mass number and charge as superscripts, so the symbol for this ion is: \(^{118}Sn^{2+}\)

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Most popular questions from this chapter

The elements in one of the groups in the periodic table are often called the coinage metals. Identify the elements in this group based on your own experience.

What are the symbols of the following nonmetals: fluorine, chlorine, bromine, sulfur, oxygen, phosphorus?

Which of the following is true about an individual atom? Explain. a. An individual atom should be considered to be a solid. b. An individual atom should be considered to be a liquid. c. An individual atom should be considered to be a gas. d. The state of the atom depends on which element it is. e. An individual atom cannot be considered to be a solid, liquid, or gas. Justify your choice, and for choices you did not pick, explain what is wrong with them.

A sample of chloroform is found to contain \(12.0 \mathrm{~g}\) of carbon, \(106.4 \mathrm{~g}\) of chlorine, and \(1.01 \mathrm{~g}\) of hydrogen. If a second sample of chloroform is found to contain \(30.0 \mathrm{~g}\) of carbon, what is the total mass of chloroform in the second sample?

In an experiment it was found that the total charge on an oil drop was \(5.93 \times 10^{-18} \mathrm{C}\). How many negative charges does the drop contain?
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