Valence Electrons in Chemistry

Valence Electrons in Chemistry

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains the concept of valence electrons and their importance in forming chemical bonds. It describes how to determine the number of valence electrons using the periodic table, focusing on group numbers. The tutorial provides examples of elements in different groups and their corresponding valence electrons. Finally, it demonstrates how to draw the Lewis dot structure for nitrogen, highlighting its five valence electrons.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of valence electrons in chemistry?

They determine the atomic mass.

They are involved in forming chemical bonds.

They are responsible for the element's radioactivity.

They define the element's color.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you determine the number of valence electrons for an element using the periodic table?

By looking at the atomic number.

By measuring the element's density.

By identifying the group number.

By checking the element's color.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group in the periodic table contains elements with two valence electrons?

Group 1

Group 18

Group 2

Group 13

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are transition metals skipped when discussing valence electrons?

They are not found in nature.

They have no valence electrons.

Their valence electrons are too complex.

They have the same number of valence electrons as noble gases.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons do elements in group 14 have?

4

2

5

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the number of valence electrons for nitrogen?

6

5

4

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the Lewis dot structure for nitrogen represented?

N with six dots around it

N with five dots around it

N with four dots around it

N with three dots around it