Atomic Theory and Law of Definite Proportions

Quiz
•
Science
•
11th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
John Dalton thought that atoms
contain molecules.
cannot be broken down further.
are all composed of carbon.
have no mass.
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In 1808, John Dalton established his atomic theory. Which of the
following is not part of Dalton’s atomic theory?
All matter is composed of atoms.
An atom consists of a nucleus and a cloud of electrons.
Atoms cannot be subdivided, created, or destroyed.
In chemical reactions, atoms are combined, separated, or rearranged.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is one way that Dalton’s atomic theory has been shown to be incorrect?
Atoms can change identity in chemical reactions.
Atoms can be split into subatomic particles.
Atoms can be destroyed by chemical reactions.
Some atoms of a particular element are identical to atoms of other elements.
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The fact that every sample of a particular chemical compound contains the same elements in exactly the same proportions by mass is known as the law of
conservation of energy.
conservation of mass.
multiple proportions.
definite proportions.
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In an experiment, Alex and Rachel discover that their sample of table salt, also known as sodium chloride, NaCl, consists of 39.34% by mass sodium, Na, and 60.66 % by mass chlorine, Cl. Later, Alex wonders what the percentage of Na might be in the table salt in his saltshaker at home. Rachel tells him, correctly, that it is
39.34%
60.66%
90%
impossible to tell without analyzing the salt.
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In 1808, John Dalton established his atomic theory. Which of the following is not part of Dalton's atomic theory?
All matter is composed of atoms.
An atom consists of a nucleus and a cloud of electrons.
Atoms cannot be subdivided, created, or destroyed.
In chemical reactions, atoms are combined, separated, or rearranged.
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The elements oxygen and hydrogen react chemically to form water. How much water would form if 16 grams of hydrogen reacted with 34 grams of oxygen?
50 g
60 g
40 g
18 g
Tags
NGSS.HS-PS1-7
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