Cations in Chemistry
Explore the fundamental concept of cations, their formation, properties, and role in chemical bonding for Grade 9 Science students.
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Cations in Chemistry
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Read each question carefully and provide your best answer. Show all work where applicable.
1. A cation is an ion with a net charge.
2. Cations are formed when an atom one or more electrons.
3. Elements in Group 1 of the periodic table tend to form cations with a charge of .
1. Which of the following is an example of a cation?
Cl⁻ (Chloride ion)
O²⁻ (Oxide ion)
Na⁺ (Sodium ion)
SO₄²⁻ (Sulfate ion)
2. What type of elements typically form cations?
Nonmetals
Metalloids
Noble gases
Metals
1. Cations are attracted to other cations.
True
False
2. The number of protons in an atom changes when it forms a cation.
True
False
1. Explain how a neutral sodium atom (Na) becomes a sodium ion (Na⁺).
2. What is the main difference between a cation and an anion?
Use the words below to complete the sentences.
1. Cations have a charge.
2. Atoms tend to electrons to become cations.
3. Generally, form cations.
4. Cations and anions each other due to their opposite charges.
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