Anion and Cation

What is the test for Chloride Ions?

• Lime water turns cloudy

• White precipitate soluble in dilute ammonia

• Yellow precipitate insoluble in dilute ammonia

• Cream precipitate insoluble in dilute ammonia

What is the test for Iodide Ions?

• Lime water turns cloudy

• Cream precipitate insoluble in dilute ammonia

• Yellow precipitate insoluble in dilute ammonia

• White precipitate formed

A negatively-charged ion.

• atom

• cation

• anion

• electron

The formula of this atom when it becomes an ion would be

• N^-2

• N⁺³

• N^-3

• N⁺²

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NGSS.MS-PS1-1

A beryllium ion has 4 protons, 2 electrons, and 5 neutrons. What is the charge of this ion?

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DOK Level 3: Strategic Thinking

Which of the following ions is an anion?

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DOK Level 3: Strategic Thinking

Which of the following elements is most likely to form a cation? (Clue - metal)

• Oxygen

• Chlorine

• Sodium

• Sulphur

How many electrons does a sodium ion (Na⁺) have?

• 10

• 11

• 12

• 13

What is the charge of an anion?

• Positive

• Negative

• Neutral

• Variable

What is the charge of a cation?

• Positive

• Negative

• Neutral

• Variable