Northern Star Online chemistry Atoms and Atomic Theory Paper 3.1 Part 1 to 3 Part 1: Introduction to Atom Video Watch the video and write at least 10

Northern Star Online chemistry Atoms and Atomic Theory Paper 3.1 Part 1 to 3

Part 1:

Introduction to Atom Video

Watch the video and write at least 100 words summary and use correct grammar.

Part 2:

1. Describe an atom by giving an example.

2. Which of the following statements is true about the atoms of an element? Please write true or false at the end of the statement.

a) They have the same number of protons as the atoms of all other elements.

b) They have protons that are identical to the protons of all other elements.

c) They have the same size as the atoms of all other elements.

d) They have the same number of protons as neutrons.

3. Explain why atoms are always neutral in charge.

4. Which element in the table has the biggest atoms?

Part 3:

For this assignment, you will choose one discovery from the history of atomic theory to write more about. You may choose any discovery that you feel is the most interesting. In your paper you must include:

Some brief biographical information about the person/people involved in the discovery.
How the model was changed by their research including:
A description of the atomic model prior to the discovery.
A description of the experiment that leads to the discovery.
A description of the new atomic model.
A list of works cited, a minimum of two.

The assignment is graded for the content listed above: biographical info and model section, and the title, works cited, punctuation and overall quality of work. Write at least 100 words summary and use correct grammar.