Concept explainers
Fill in the blanks in each line of the following table. The first line is already completed as an example.
(a)
Interpretation:
Filling of each blank in the following table has to be done:
Concept Introduction:
Atoms are composed of three types of particles called subatomic particles. They are as follows:
- Protons: Positively charged particles in an atom.
- Neutrons: Neutral charged particles in an atom.
- Electrons: Negatively charged particles in an atom.
The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion.
Negative charged ions are formed by gaining one or more electrons and it has more electrons than protons.
Positive charged ions are formed by losing one or more electrons and it has more protons than electrons.
Answer to Problem 4.30EP
Complete table is shown below:
Explanation of Solution
The chemical symbol of the potassium element is
One electron is lesser than the number protons means it lost one electron and the charge of the potassium ion is
Hence, the symbol of potassium ion
(b)
Interpretation:
Filling of each blank in the following table has to be done:
Concept Introduction:
Atoms are composed of three types of particles called subatomic particles. They are as follows:
- Protons: Positively charged particles in an atom.
- Neutrons: Neutral charged particles in an atom.
- Electrons: Negatively charged particles in an atom.
The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion.
Negative charged ions are formed by gaining one or more electrons and it has more electrons than protons.
Positive charged ions are formed by losing one or more electrons and it has more protons than electrons.
Answer to Problem 4.30EP
Complete table is shown below:
Explanation of Solution
The element has
Hence, the number of protons are
(c)
Interpretation:
Filling of each blank in the following table has to be done:
Concept Introduction:
Atoms are composed of three types of particles called subatomic particles. They are as follows:
- Protons: Positively charged particles in an atom.
- Neutrons: Neutral charged particles in an atom.
- Electrons: Negatively charged particles in an atom.
The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion.
Negative charged ions are formed by gaining one or more electrons and it has more electrons than protons.
Positive charged ions are formed by losing one or more electrons and it has more protons than electrons.
Answer to Problem 4.30EP
Complete table is shown below:
Explanation of Solution
The ion
Hence, ion
(d)
Interpretation:
Filling of each blank in the following table has to be done:
Concept Introduction:
Atoms are composed of three types of particles called subatomic particles. They are as follows:
- Protons: Positively charged particles in an atom.
- Neutrons: Neutral charged particles in an atom.
- Electrons: Negatively charged particles in an atom.
The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion.
Negative charged ions are formed by gaining one or more electrons and it has more electrons than protons.
Positive charged ions are formed by losing one or more electrons and it has more protons than electrons.
Answer to Problem 4.30EP
Complete table is shown below:
Explanation of Solution
The given ion is
The charge of oxygen atom is
Hence, ion is
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Chapter 4 Solutions
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