Ionic Compounds and Electron Configuration

Ionic Compounds and Electron Configuration

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains the dot and cross drawing of magnesium chloride, focusing on electron configurations and ion formation. It covers the periodic table's role in determining electron numbers, the electron donation by magnesium, and the electron acceptance by chlorine. The video also details the calculation of ion charges and how to represent these in dot and cross diagrams. Simplification of diagrams for exams and the concept of ionic bonds are also discussed. The tutorial concludes with encouragement for further learning.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

The history of chemistry

The properties of metals

Dot and cross drawing of magnesium chloride

The structure of the periodic table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons does magnesium have in its outermost shell?

Twelve

Two

Eight

Ten

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electron configuration of chlorine in its outermost shell?

Seven electrons

Five electrons

Eight electrons

Two electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons does magnesium donate to form a magnesium ion?

One

Four

Three

Two

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a magnesium ion after it donates electrons?

-1

-2

+1

+2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chloride ions are needed to balance the charge of one magnesium ion?

One

Two

Three

Four

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a chloride ion after gaining an electron?

-2

-1

+2

+1

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