Ionic Compounds and Their Properties

Ionic Compounds and Their Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains how to predict ionic charges using the periodic table. It uses lithium and chlorine as examples to demonstrate how elements form ions by losing or gaining electrons, resulting in positive or negative charges. The tutorial also covers naming conventions for ions, particularly for group seven elements, and discusses elements with variable ionic charges, such as iron and copper. Additionally, it introduces molecular and polyatomic ions, providing examples like ammonium and sulfate ions.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a lithium atom when it forms an ion?

It gains an electron.

It loses an electron.

It gains a proton.

It loses a proton.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group in the periodic table forms ions with a charge of plus two?

Group three

Group four

Group two

Group one

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What charge does a chlorine ion have after gaining an electron?

Minus two

Minus one

Plus two

Plus one

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of an ion formed by an element in group six?

Minus one

Minus two

Plus one

Plus two

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the name of a bromine atom change when it forms an ion?

Bromium ion

Bromide ion

Bromine ion

Bromate ion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Roman numeral in 'Iron (III)' indicate?

The atomic number

The ionic charge

The number of electrons

The number of protons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following ions can have multiple charges?

Sodium

Chlorine

Iron

Lithium

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