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2. Atoms & Elements

Ions

2. Atoms & Elements

Ions

Multiple Choice
Which of the following chemical equations correctly represents the second ionization of calcium?
Multiple Choice
What type of force attracts cations and anions to each other?
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Multiple Choice
What are the two ions that water molecules can dissociate into?
Multiple Choice
Sodium is much more apt to exist as a cation than is chlorine. This is because ________.
Multiple Choice
A hydrogen ion, formed during the dissociation of water, has a charge of which of the following?
Multiple Choice
What neutral atom is isoelectronic with Fe²⁺?
Open Question
An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.
Open Question
Determine the number of protons (p) and electrons (e) in N³⁻.
Multiple Choice
Which of the following is an example of an anion?
Multiple Choice
Which ion is represented by the following information? p+ = 12, n = 14, e- = 10
Multiple Choice
How many electrons are present in an Al^{3+} ion?
Multiple Choice
Which of the following ions is most likely to be leached from soil due to its high solubility and low tendency to adsorb to soil particles?
Multiple Choice
What is the charge of the metal ion in the complex [Fe(NH_3)_2Br_4]^{2-}? (Omit the + sign in your answer.)
Multiple Choice
Which of the following is the most stable monatomic ion formed from nitrogen?
Multiple Choice
When a chlorine atom gains an electron, what type of charge does the resulting ion have?