Talk:High School Chemistry/Atomic Structure, The Periodic Table, and Electrons or Light

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1 Which law description matches the Law of Definite Proportions?

"Composition of compounds/molecules is always the same, regardless of how the substance was made or where the substance is found."
"Elements within compounds/molecules always combine in whole number ratio."
"Matter is neither created or destroyed during chemical reactions."

2 Whose model of an atom is similar to a line going through a shaded circle/a diamond?

Schrodinger
Large Hadron Collider
Democritius
Lavoisier
Proust

3 Which law was proposed by Proust?

"Composition of compounds/molecules is always the same, regardless of how the substance was made or where the substance is found."
"Matter is neither created or destroyed during chemical reactions."
"Elements within compounds/molecules always combine in whole number ratio."

4 The law that states that elements in a compound or molecule always combine in whole number ratio is...

Law of Conversation of Mass
Law of Definite Proportions
Law of Constant Composition
Law of Multiple Proportions

5 Complete each box with their respective scientist

1. Proust:

2. Lavoisier:

6 Complete the text with the correct information.

The Law of

states that the structure of the molecules/compounds are always the same while the Law of

, proposed by

, states that matter is neither created or destroyed during chemical reactions. The Law of Multiple Proportions states that the elements within a compound/molecule always combine in

ratios.

7 Which parts of John Dalton's atomic theory are incorrect?

Atoms can't be subdivided or broken down
All matter is made up of atoms
Atoms can't be changed from one atom to another element.
All atoms are identical

8 Complete the text with the correct information.

John Dalton's model is the

.

9 Complete each box with their respective scientist (last name ONLY)

1. Gold Foil Experiment:

2. Cathode Ray Tube Experiment:

3. Oil Drop Experiment:

10 Who came up with the Quark Model?

Niels Bohr
Rutherford
Schrodinger
Chadwick
Gell-Mann and Zweig

11 Who came up with the Quantum Mechanical Model?

Schrodinger
Milikan
Niels Bohr
Rutherford
Chadwick

12 Who found the existence of electrons?

Gell-Mann and Zweig
Schrodinger
Rutherford
Bohr
Thomson

13 Look to the image on the right and answer the question.

Who came up with this model?

Milikan
Chadwick
Rutherford
Niels Bohr
Schrodinger

14 Look to the image on the right and answer the question.

Who came up with this model?

Thomson
Gell-Mann and Zweig
Rutherford
Bohr
Schrodinger

15 Who discovered that each orbit of electrons has a specific energy level and came up with the Planetary Model?

Gell-Mann and Zweig
Thomson
Bohr
Rutherford
Schrodinger

16 Who discovered the small, dense, positively-charged nucleus?

Rutherford
Milikan
Thomson
Democritius
Schrodinger
Proust
Large Hadron Collider
Lavoisier