Questions and Answers
What is the ion name for F-?
How many protons does iodide (I-) have?
53
How many electrons does sulfide (S^2-) have?
18
What is the ion symbol for potassium?
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How many electrons does calcium (Ca^2+) have?
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What noble gas has the same number of electrons as bromide (Br-)?
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How many protons does strontium (Sr^2+) have?
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What is the ion symbol for hydrogen when it loses one electron?
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How many electrons does oxygen (O^2-) have?
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What noble gas has the same number of electrons as magnesium (Mg^2+)?
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How many protons does aluminum (Al^3+) have?
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What is the ion name for Se^2-?
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What noble gas has the same number of electrons as hydride (H-)?
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How many electrons does lithium (Li+) have?
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Study Notes
Ion Definitions and Characteristics
-
Fluoride (F-):
- Protons: 9
- Electrons: 10 (gained one)
- Noble gas equivalent: Neon
-
Iodide (I-):
- Protons: 53
- Electrons: 54 (gained one)
- Noble gas equivalent: Xenon
-
Sulfide (S²-):
- Protons: 16
- Electrons: 18 (gained two)
- Noble gas equivalent: Argon
-
Potassium (K):
- Protons: 19
- Electrons: 18 (lost one)
- Noble gas equivalent: Argon
-
Calcium (Ca²+):
- Protons: 20
- Electrons: 18 (lost two)
- Noble gas equivalent: Argon
-
Bromide (Br-):
- Protons: 35
- Electrons: 36 (gained one)
- Noble gas equivalent: Krypton
-
Strontium (Sr²+):
- Protons: 38
- Electrons: 36 (lost two)
- Noble gas equivalent: Krypton
-
Hydrogen (H+):
- Protons: 1
- Electrons: 0 (lost one)
- Noble gas equivalent: None
-
Oxygen (O²-):
- Protons: 8
- Electrons: 10 (gained two)
- Noble gas equivalent: Neon
-
Magnesium (Mg²+):
- Protons: 12
- Electrons: 10 (lost two)
- Noble gas equivalent: Neon
-
Aluminum (Al³+):
- Protons: 13
- Electrons: 10 (lost three)
- Noble gas equivalent: Neon
-
Selenide (Se²-):
- Protons: 34
- Electrons: 36 (gained two)
- Noble gas equivalent: Krypton
-
Hydride (H−):
- Protons: 1
- Electrons: 2 (gained one)
- Noble gas equivalent: Helium
-
Lithium (Li+):
- Protons: 3
- Electrons: 2 (lost one)
- Noble gas equivalent: Helium
Summary of Charges
- Negative Ions (Anions): Examples include Fluoride, Iodide, Sulfide, Bromide, Selenide, Hydride, and Oxide, which have gained electrons.
- Positive Ions (Cations): Examples include Potassium, Calcium, Magnesium, Strontium, Aluminum, and Lithium, which have lost electrons.
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Description
This quiz features simple flashcards designed to test your knowledge of ions. Each card includes key details like ion name, symbol, number of protons and electrons, and comparisons to noble gases. Perfect for students learning about basic chemistry concepts!
