
Chapter 3-Applied Chemistry Review
Authored by Kailee Brock
Science
11th - 12th Grade
NGSS covered
Used 2+ times

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22 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Neutral atoms contain equal numbers of what?
protons
neutrons
electrons
photons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic symbol for beryllium, 94Be, indicates that
the atomic number is equal to 9-4
the atomic number is 9
the atomic number is 4
the mass number is 4
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The atomic mass of an atom of carbon is 12 amu, and the atomic mass of an atom of oxygen is 16 amu. To produce CO, 16 g of oxygen combine with 12 g of carbon. To produce CO2, 32 g of oxygen combine with 12 g of carbon. The ratio of the mass of oxygen in CO2 to the mass of oxygen in CO is
1:1
2:1
1:2
8:3
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rutherford's gold-foil experiment led him to conclude that
Thomson's plum pudding model of the atom was accurate.
alpha particles were a poor choice for a bombardment material.
a dense region of positive charge existed somewhere in the atom.
light was emitted by electrons returning to ground state.
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT one of the five principles of Dalton's theory?
Atoms of different elements combine in simple, whole-number ratios to form compounds.
All matter is made of indivisible, indestructible atoms.
All atoms have similar physical and chemical properties.
Chemical reactions consist of the combination, separation, or rearrangement of atoms.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the law of definite proportions, any two samples of KCl will have
the same mass
slightly different molecular structures but the same two elements
different densities
the same elements in the same proportions by mass
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the law of conservation of mass, when sodium, hydrogen, and oxygen react to form a compound, the mass of the compound will be
equal to the sum of the masses of the reactants
greater than the sum of the masses of the reactants
less than the sum of the masses of the reactants
either less than or equal to the sum of the masses of the reactants
Tags
NGSS.HS-PS1-7
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