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Chem chapter 3 quiz Flashcards | StudBud
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Chem chapter 3 quiz
Chem chapter 3 quiz
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1
Where did the word atom originate?
The greek word atomosit, meaning indivisible
The greek word atomos, meaning indivisible
The spanish word acción, meaning action
The latin phrase admodum parva, meaning very small
2
What properties did Rutherford use in the design of the gold foil method?
Alpha particles with negative charge and electrons with negative charge
Alpha particles with positive charge repel
Alpha particles with positive charge and electrons with positive charge
Alpha particles with negative charge repel
3
What subatomic particles have no charge and are located in the nucleus?
electrons
neutrons
particles
protons
4
What does the law of conservation of mass state?
You can only destroy matter through high heat
Mass is the name for the density of a living thing
Mass is the small particles that make everything
Matter cannot be created or destroyed
5
How do you find the number of neutrons?
number of atoms total
add the atomic number and atomic mass
protons
subtract the atomic number from the atomic mass
6
What is the beam of electrons emitted from the cathode of a high-vacuum tube called?
Radiation beam
Cathode beam
Electron ray
Cathode ray
7
What is an isotope?
Number of protons in an element
Number of neutrons in an element
Atoms with the same number of neutrons but different number of protons
Atoms with the same number of protons but different number of neutrons
8
What is the weighted average of all of an atom's naturally occurring isotopes?
Atomic number
average Atomic weight
Electron configuration
average Atomic mass
9
The ______ is the number of protons in the nucleus of an atom.
Atomic symbol
Electron configuration
Atomic number
Atomic mass
10
How do you find the mass number of an atom?
Subtract its neutrons from its protons
Find the sum of the neutrons and electrons
Subtract the neutrons from electrons
Find the sum of its protons and neutrons
11
Which subatomic particles have a negative charge and are located in the electron cloud?
electrons
particles
protons
neutrons
12
The theory that all matter was composed of indivisible and indestructible building blocks called atoms is called?
Dalton’s atomic theory
Physical science theory
Dalton's theory of matter
Atomic theory
13
Who was the first philosopher to propose that matter was made of tiny particles called atoms?
Democritus
Einstein
Aristotle
Dalton
14
Rutherford made the discovery that...
Almost all of an atom's mass is in its nucleus
All matter is composed of atoms
Atoms are different from one element to another
Atoms make up only living things
15
What subatomic particles are positively charged and located in the nucleus?
particles
neutrons
Electrons
protons
16
Aristotle said that _________ does not exist.
Matter
Empty space
Matter
Particles
17
Which subatomic particle identifies an atom as part of a particular element?
atom
electron
neutron
proton
18
Whose ideas about matter and atoms were most similar to John Daltons?
Einstein
Plato
Democritus
Aristotle
19
In the plum pudding model where is most of the mass of an atom?
in the protons
in the nucleus
in the electrons
The matter between the electrons
20
Which of the following parts of Dalton's atomic theory were incorrect?
All matter is composed of atoms
Atoms are indivisible
Atoms combine to make up compounds
The atoms from one element are different from those of another
