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Atomic Structure and Ion Formation

Atomic Structure and Ion Formation

Assessment

Interactive Video

Chemistry, Science, Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explores the concepts of atoms, ions, and the octet rule. It begins by explaining the atomic number and the balance of protons and electrons in neutral atoms. The video then delves into ion formation, highlighting how atoms become ions by losing or gaining electrons, resulting in a charge. The process of sodium becoming a positive ion is detailed, showing the loss of an electron. Finally, the octet rule is introduced, explaining how atoms bond to achieve a stable outer electron shell, leading to the formation of ionic bonds.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic number of an element represent?

The number of neutrons in the nucleus

The number of protons in the nucleus

The total number of electrons

The atomic mass of the element

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the overall charge of a neutral atom?

Depends on the element

Zero

Positive

Negative

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an atom become a negative ion?

By gaining protons

By losing protons

By gaining electrons

By losing electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true for a positive ion?

It has more neutrons than protons

It has more protons than electrons

It has more electrons than protons

It has an equal number of protons and electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a sodium ion after it loses one electron?

Positive one

Zero

Positive two

Negative one

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the number of protons in a sodium atom when it becomes an ion?

It increases by one

It remains the same

It decreases by one

It doubles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do atoms form ions?

To achieve a full outer energy level

To increase their atomic number

To decrease their atomic mass

To become more reactive

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