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Atoms & the Periodic Table
Atoms & the Periodic Table
30 terms
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#atoms #periodictable
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Group/Family 2 is known as what?
Halogens
Alkaline Earth Metals
Noble Gases
Oxygen Family
2
The elements of the Periodic Table are NOT arranged by what?
atomic mass
characteristics/properties
atomic number
proton number
3
What is the symbol for gold?
Gu
Go
Au
Ag
4
Why are electrons not included in the atomic mass?
their mass is so small that it is insignificant
because science is funny like that
the move too fast to find their mass
their negative charge provides inaccurate readings
5
Electrons contain which type of charge?
negative
positive
neutral
6
Group/Family 1 is called the what?
Nobel Gases
Transition Metals
Alkali Metals
Alkaline Earth Metals
7
An element's 1- or 2-letter abbreviation is called what?
sign
abbreviation
code
symbol
8
The atomic number represents which of the following?
number of electrons
number of protons
an element's identification number
number of neutrons
9
Where are electrons located in an atom?
in the nucleus
on set paths called orbitals
on set paths called rings
unpredictable motion in a region surrounding the nucleus
10
What is an isotope?
atoms with the same # of neutrons but different # of protons
atoms with same number of protons neutrons and electrons
atoms that are radioactive
atoms with the same # of protons but different # of neutrons
11
Which group has the least reactive elements?
Halogens
Alkali Metals
Noble Gases
Transition Metals
12
Who was the first person to develop the idea of atoms?
John Dalton
Aristotle
Democritus
Neils Bohr
13
Atoms are the smallest UNIT of matter?
False
True
14
Periods are not the horizontal rows on the Periodic Table?
False
True
15
Group/Family 17 is known as what?
Halogens
Carbon Family
Boron Family
Nitrogen Family
16
Groups 13-16 are named after the first element in their family?
False
True
17
Group/Family 18 is known as what?
Halogens
Noble Gases
Nitrogen Family
Boron Family
18
Groups 3-12 are known as what?
Transition Metals
Noble Gases
Halogens
Nitrogen Family
19
Groups/families are the vertical columns on the Periodic Table?
True
False
20
Neutrons contain which type of charge?
neutral
negative
positive
21
All elements can be divided into which classifications?
metals, semimetals, nonmetals
metals, metalloids, nonmetals
transition metals and representative elements
metals and nonmetals
22
Protons contain which type of charge?
positive
negative
neutral
23
99% of an atom's mass is located in its nucleus?
True
False
24
The atomic mass is the total of which of the following?
Neutrons only
Protons and Electrons
Protons only
Protons and Neutrons
25
Which group has the most reactive elements?
Transition Metals
Noble Gases
Halogens
Alkali Metals
26
Who developed the Atomic Theory?
Democritus
John Dalton
Aristotle
Neils Bohr
27
The term "atom" means what?
really really small
little worlds
fundamental unit
unable to be divided
28
What makes up the nucleus of an atom?
Electrons and Protons
Electron and Neutrons
Protons only
Neutrons and Protons
29
The modern Periodic Table contains how many periods and how many groups/families?
18 periods and 7 groups
18 periods and 11 groups
11 periods and 18 groups
7 periods and 18 groups
30
Atoms can be divided into what 3 subatomic particles?
Protons, Neutrons, Electrons
Cations, Nucleus, Anions
Protons, Nucleus, Electrons
Cations, Neutrons, Anions
