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Ch. 4 Atomic Structure Test Review Flashcards | StudBud
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Ch. 4 Atomic Structure Test Review
Ch. 4 Atomic Structure Test Review
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Test review of history of atomic structure, isotopes, ions, and radioactivity
Flashcards
26 cards
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Questions
26
Answers
1
The rays produced in cathode tube are:
unaffected by a magnetic field
striking the cathode
found to carry a positive charge
deflected away from a negative plate
2
A cation is an ion that has ______ and an anion is an ion that has ______.
more protons than electrons; more electrons then protons
more protons than neutrons; more neutrons than protons
more neutrons than protons; more protons than neutrons
more electrons than protons; more protons then electrons
3
As the mass number of an element's isotopes increases, the number of protons _________.
remains the same
decreases
increases
doubles
4
Isotopes are atoms of the same element that have different:
number of electrons
number of protons
masses
principle chemical properties
5
The experiment used with this apparatus led to the discovery of the:
nucleus
proton
neutron
electron
6
The apparatus in the picture is called a:
anode ray
cathode ray
oil drop experiment
gold foil experiment
7
The apparatus in the picture shown was used by this scientist:
thompson
milkman
dalton
rutherford
8
How many protons and neutrons are in an alpha particle?
2 protons and 2 neutrons
0 protons and 2 neutrons
0 protons and 0 neutrons
2 protons and 0 neutrons
9
The model shown is most consistent with the model proposed by this scientist:
Rutherford
dalton
Thompson
milkman
10
A nuclear particle that has about the same mass as a proton, but with no electrical charge is called a(n):
neutron
isotope
electron
nuclide
11
The atomic model shown above is called the:
nuclear atomic model
franklin model
bohr model
plum pudding model
12
The nucleus of an atom has all of the following characteristics except that it:
contains nearly all of the atom's volume
is very dense
contains nearly all of the atom's mass
is positively charged
13
All isotopes of hydrogen contain:
one proton
two electrons
two nuclei
one neutron
14
The total number of protons and neutrons in the nucleus of an atom is its:
mass number
avogardo's number
average atomic mass
atomic number
15
Dalton's atomic theory did not include the claim that:
atoms are neither created nor destroyed in chemical reactions
matter is made of particles called atoms
atoms contain electrons, protons and neutrons
compounds always contained the same relative numbers and kinds of atoms
16
The apparatus in the picture above was used by this scientist:
milkman
rutherford
thompson
dalton
17
The experiment that involved this apparatus led to the discovery of the:
Neutron
Proton
electron
Nucleus
18
Carbon - 14, the radioactive isotope used in dating fossils, has:
6 neutrons
8 neutrons
14 neutrons
20 neutrons
19
An atom is electrically neutral because:
nuclear forces stabilize the charges
the number of protons and neutrons are equal
the number of protons and electrons are equal
neutrons balance the protons and electrons
20
The charge of a beta particle is:
-1
+2
-2
+1
21
The charge of a alpha particle is:
-2
+2
+1
neutral
22
The mass of an alpha particle is:
4
2
0
1
23
The charge of a gamma particle is:
-1
+1
+2
No charge
24
In Rutherford's experiment, positive particles:
were used to bombard a cathode plate
were used to bombard a metal foil
collided with electrons
pass through a tube containing gas
25
When an atom gains or loses one or more electrons, it is called a(n)
new element
isotope
ion
positron
26
Atomic mass of oxygen= 15.9994. Which isotope is most abundant in nature: oxygen-16, oxygen-17, and oxygen-18?
oxygen-18
all are equally abundant
oxygen-16
oxygen-17
