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Atomic Structure/Periodic Table Flashcards | StudBud
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Atomic Structure/Periodic Table
Atomic Structure/Periodic Table
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Chapters 16 and 17
Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
Which is TRUE?
Hydrogen is a compound
An element is different atoms chemically combined
Water is an element
Oxygen is an element
2
Why do the noble gases NOT form compounds?
The outer energy levels are completely filled with electrons
They have 7 in the outer energy levels
They have no electrons
They have empty outer energy levels
3
The element Boron from the periodic table contains the # 10.811. What is this number called?
atomic mass number
proton number
atomic number
isotope number
4
The _ of the atom is composed of protons and neutrons
atomic number
electron
nucleus
quarks
5
The second group of the rare-earth metals are known as
Lathanoids
Actinoids
Alkali Metals
Alkaline Earth Metals
6
The periods on the periodic table indicate which of the following information?
number of neutrons
number of valence electrons
number of electrons energy levels
number of protons
7
The elements to the left of the zigzag line (stairstep) on the periodic table are called
metals
nonmetals
halogens
metalloids
8
Particles of matter that make up protons and neutrons
electron
quarks
nucleus
atomic number
9
Where are electrons likely to be found?
mixed in the atom
in definite paths
in the nucleus
in the electron cloud
10
Horizontal rows of the periodic table are called
periods
clusters
families
groups
11
Lewis Dot Diagrams are used to represent
isotopes
atomic mass
atomic numbers
outer level electrons
12
The charge of the neutron is
negative
neutral
positive
13
The smallest particle in which an element can be divided and still have the same properties is
neutron
atom
nucleus
electron
14
Which is the BEST description for the structure of an atom?
2 of the 3 subatomic particles are located in the nucleus
All subatomic particles are located outside of the nucleus
All subatomic particles are located in the nucleus.
15
Where are the metalloids (semi-metals) located on the periodic table?
on the left
on the stair-step
on the bottom
on the right
16
Group 1 is known as
Alkaline Earth Metals
Alkali Metals
Noble Gases
Halogens
17
Which scientist was the first to arrange the periodic table?
Mosley
Mendeleev
Lewis
Galileo
18
How many valence electrons does Carbon have?
6
8
2
4
19
__ Is the most reactive nonmetals
transitional metals
Alkaline Earth metal
Noble Gases
Halogens
20
A certain atom has 27 protons, 27 electrons, and 31 neutrons. Its mass number is
54
31
27
58
21
An element's isotopes is different number of ____ same number of ____.
atomic mass
neutrons/ protons
nucleus/ neutron
atomic number/ atomic mass
22
Which element is the most important element with all living things?
Oxygen
Carbon
Boron
Nitrogen
23
The charge of a proton is
pro
positive
neutral
negative
24
The atomic number is equal to the number of
neutrons
nucleus
protons
electrons
25
Which has the least mass?
nucleus
electron
proton
neutron
26
Group 18 is known as the
halogens
alkali metals
rare earth metals
noble gases
27
Atoms of the same elements with different numbers of neutrons are called
radioactive elements
metals
metalloids
isotopes
28
Which groups of elements are mostly synthetic or man-made?
halogens
actinoids
alkaline earth
noble gases
29
Group 17 is known as
Alkaline Earth Metals
Actinoids
Halogens
Noble Gases
30
The atomic mass represents
the total mass of the protons and neutrons
the average mass of all its known electrons
total mass of all its known isotopes
the average mass of the protons and electrons
31
The modern periodic table is arranged by
atomic mass
properties
alphabetically
atomic number
32
Elements in each vertical column on the periodic table usually have similar properties called
group
property
element
period
33
The Bohr model represents
all the electrons in the atom
the protons only in the atom
the valence electrons in the atom
34
Each inner energy level of an atom has a maximum number of __ it can hold
quarks
protons
neutrons
electrons
35
Most metals are described as
not ductile
dull
good conductors
not malleable
36
Which statement is true about isotopes of the same element?
same mass
same number of neutrons
different atomic number
same number of protons
37
Which group does not combine with other elements?
Group 1
Group 18
Group 16
Group 5
38
The __ is the positively charges subatomic particle of the atom
quarks
nucleus
atomic number
proton
39
Subatomic particles that are on the outer most energy level of an atom are called
protons
neutrons
valence electrons
isotopes
40
Groups or Families are similar, not identical, by the elements ___
both physical and chemical properties
physical properties
atomic mass
chemical properties
41
Transitional metals on the periodic table are which groups?
groups 1-18
group 1
groups 13-18
groups 3-12
42
How many electrons are needed in the outer energy levels of most atoms for it to be stable?
8
4
2
6
43
Transitional metals on the table are
groups 13-18
groups 1-18
groups 3-12
groups 1-2 and 13-18
44
Group 2 is the family known as
rare earth metals
alkali metals
transitional metals
alkaline earth metals
45
Most of the elements on the periodic table are
gases
nonmetals
metalloids
metals
