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Pearson Chemistry Chapter 4 Atomic Structure Flashcards | StudBud
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Pearson Chemistry Chapter 4 Atomic Structure
Pearson Chemistry Chapter 4 Atomic Structure
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1
The atomic number tells you
both of these
the number of protons
the number of electrons
neither of these
2
What is the mass number for this element?
1.008
All of these
H
1
3
The two letters in each box on the periodic table are each element's
Name
Classification
Symbol
Initials
4
What is the symbol for this element
Zinc
30
65.39
Zn
5
This person is credited with proposing an atomic theory that lead to the one we have today
Democritus
Darwin
Aristotle
Dalton
6
The smallest particle of an element that retains all the properties of that element
matter
proton
neutron
atom
7
The subatomic particle with no charge
proton
none of these
neutron
electron
8
Changing the number of neutrons has which effect on the overall charge of the atom?
causes no change
Makes it radioactive
Makes it negative
Makes it positve
9
What is the atomic number of this element
30
Zn
35.39
65.39
10
The first person to propose atomic theory was
Dalton
Darwin
Democritus
Sophicles
11
Democritus theorized that atoms could not be
all of these
divided
destroyed
created
12
Electron were discovered
using a cathode ray
all of these
in a darkened lab
by accident
13
How many electrons does this element have?
1
1.008
2
0.008
14
An element's position on the periodic table is determined by its
name
atomic number
date of discovery
symbol
15
Dalton proposed his atomic theory in what year?
1808
1909
1818
1900
16
Atomic mass is the weighted mass of
none of these
the protons of an element
the neutrons of an element
the isotopes of an element
17
How many protons are in this element?
0.011
12.011
6
12
18
The subatomic particle with a positive charge
neutron
proton
all of these
electron
19
How many protons does this element have?
1,903
35.39
30
65.39
20
The subatomic particle with a negative charge
electron
megatron
neutron
proton
21
An isotope has ______________ number of protons and ____________ number of neutrons
a different; a different
a different; the same
the same; a different
the same; the same
