Answer
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Hint: From the given question we can take hints that the question is talking about an ion which has some charge on it.
Step by step solution:
This question is talking about ions. And an ion is a charged atom or molecule. It is charged because the number of electrons do not equal to the number of protons in the atom or molecule. For example: \[N{{a}^{+}}\], \[{{O}^{2-}}\]etc.
And we know that there are two types of ions:
Cations: A positively charged ion is known as cation. And a cation is formed by the loss of one or more electrons by an atom or molecule. For example: Sodium atom loses one electron to form a positively charged sodium ion, \[N{{a}^{+}}\], which is cation. One more thing is that all the metals are cations. Cations are attracted by cathode in electrolysis.
Anions: Anion is a negatively charged ion. An anion is formed by the gain of one or more electrons by an atom. For example a chlorine atom gains 1 electron to form chloride ion, \[C{{l}^{-}}\], which is an anion. An anion contains more electrons than a normal atom. The ions of all non metal elements are anions. Anions are attracted to the anode.
Positron is a subatomic particle with the same mass as an electron and a numerically equal but positive charge. And protons and positrons are two different things. Positron is a very stable particle where positron is a very unstable particle.
From the above points we can conclude that the correct answer is “A”, all others are incorrect.
Note: This question is totally memory based. You have to remember which type of charged particle known by what name. These names are based on their Greek words.
Step by step solution:
This question is talking about ions. And an ion is a charged atom or molecule. It is charged because the number of electrons do not equal to the number of protons in the atom or molecule. For example: \[N{{a}^{+}}\], \[{{O}^{2-}}\]etc.
And we know that there are two types of ions:
Cations: A positively charged ion is known as cation. And a cation is formed by the loss of one or more electrons by an atom or molecule. For example: Sodium atom loses one electron to form a positively charged sodium ion, \[N{{a}^{+}}\], which is cation. One more thing is that all the metals are cations. Cations are attracted by cathode in electrolysis.
Anions: Anion is a negatively charged ion. An anion is formed by the gain of one or more electrons by an atom. For example a chlorine atom gains 1 electron to form chloride ion, \[C{{l}^{-}}\], which is an anion. An anion contains more electrons than a normal atom. The ions of all non metal elements are anions. Anions are attracted to the anode.
Positron is a subatomic particle with the same mass as an electron and a numerically equal but positive charge. And protons and positrons are two different things. Positron is a very stable particle where positron is a very unstable particle.
From the above points we can conclude that the correct answer is “A”, all others are incorrect.
Note: This question is totally memory based. You have to remember which type of charged particle known by what name. These names are based on their Greek words.
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