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Atoms & the Periodic Table
Atoms & the Periodic Table
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Atoms and Elements Basics
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
A single proton has a charge of what?
+1
0
-1
2
How many protons does copper have?
30
63
29
31
3
What charge do neutrons hold?
Valence
Poitive
Negative
No charge
4
A single proton has what electrical charge?
positive charge
negative charge
no charge
5
The nucleus of an atom consists of
protons, neutrons, and electrons
neutrons
electrons
protons and neutrons
6
Atoms are mostly empty space.
False
True
7
The atomic mass contains which sub-particles?
Neutrons
Both protons and neutrons
Electrons
Protons
8
The number in the upper left of the picture is called the
Element Name
Atomic Mass
Atomic Number
Element Symbol
9
Name of the guy who first proposed that matter is made of indivisible particles called atoms?
Bohr
Rutherford
Democritus
Thomson
10
Electrons are usually found
outside the nucleus in the electron cloud
either in the nucleus or around it; they roam around
in atomic nucleus
11
An atom with the atomic number of 16 means it has:
16 Neutrons
16 Protons
8 Neutrons
8 Protons
12
The three basic components of an atom are...
protons, neutrons, and electrons
protons, neutrons, and elements
protons, neutrons, and ions
13
An atom with an atomic number of 16 means it has
8 protons
16 neutrons
16 protons
8 neutrons
14
All the mass of an atom can be found in the
Neutrons
Protons
Electrons
Nucleus
15
Adding a neutron to an atom changes the
atomic number
number of electrons
atomic mass
oxidation number
16
The two letters on the picture are called
Atomic Number
Element Name
Element Symbol
Atomic Mass
17
How many neutrons does copper have?
31
35
65
29
18
The atomic number of an atom is
the number of protons
the number of electrons
the number of neutrons
the number of protons and the neutrons
19
Atoms of the same element that have equal number of protons + differ in the neutrons are called
elements
compounds
atoms
isotopes
20
What is the most abundant element in the universe?
helium
hydrogen
helium
oxygen
21
The sum of the protons and neutrons in the nucleus
atomic mass
isotope
atomic number
amu
22
Carbon-12 and Carbon-14 are examples of
isomers
neutrons
isotopes
nuclei
23
Elements on the Periodic Table are arranged in the order of increasing:
Atomic Number
Neutrons
Mass of Nucleus
Electrons
24
Protons identify the element.
True
False
