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2. Atoms & Elements

Ions

2. Atoms & Elements

Ions

Multiple Choice
What is formed when a neutral atom gains one or more electrons?
Open Question
The ion(s) of an atom have significantly different mass(es) than the atom itself
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Multiple Choice
What is the charge of the ammonium ion (NH_4)?
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Multiple Choice
Why do Group 1 elements most often form ions with a +1 charge?
Multiple Choice
Which of the following ions is isoelectronic with Ar?
Multiple Choice
When forming ions, does calcium (Ca) lose or gain electrons?
Multiple Choice
What is the charge of a chloride ion?
Multiple Choice
An ion that consists of 7 protons, 6 neutrons, and 11 electrons has a net charge of ________.
Multiple Choice
Which of the following correctly identifies the cation and anion present in MnCl4?
Multiple Choice
When sulfur forms ions, what type of ion does it become?
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Multiple Choice
Which of the following occurs when chlorine forms an ion?
Multiple Choice
Which of the following would most likely form an anion with a 2– charge?
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Open Question
Is the number of protons the same in the atom and the ion in lithium
Open Question
What is the atomic number of an anion that has 5 neutrons and 4 electrons
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Open Question
Write the chemical symbols for three different atoms or atomic cations with electrons.