Podcast
Questions and Answers
What is the ion name for F-?
What is the ion name for F-?
- Fluorine
- Fluoride (correct)
- Fluorite
- Fluoridate
How many protons does iodide (I-) have?
How many protons does iodide (I-) have?
53
How many electrons does sulfide (S^2-) have?
How many electrons does sulfide (S^2-) have?
18
What is the ion symbol for potassium?
What is the ion symbol for potassium?
How many electrons does calcium (Ca^2+) have?
How many electrons does calcium (Ca^2+) have?
What noble gas has the same number of electrons as bromide (Br-)?
What noble gas has the same number of electrons as bromide (Br-)?
How many protons does strontium (Sr^2+) have?
How many protons does strontium (Sr^2+) have?
What is the ion symbol for hydrogen when it loses one electron?
What is the ion symbol for hydrogen when it loses one electron?
How many electrons does oxygen (O^2-) have?
How many electrons does oxygen (O^2-) have?
What noble gas has the same number of electrons as magnesium (Mg^2+)?
What noble gas has the same number of electrons as magnesium (Mg^2+)?
How many protons does aluminum (Al^3+) have?
How many protons does aluminum (Al^3+) have?
What is the ion name for Se^2-?
What is the ion name for Se^2-?
What noble gas has the same number of electrons as hydride (H-)?
What noble gas has the same number of electrons as hydride (H-)?
How many electrons does lithium (Li+) have?
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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