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Atomic Structure and Periodic Table Review Flashcards | StudBud
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Atomic Structure and Periodic Table Review
Atomic Structure and Periodic Table Review
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periodic table
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
A common characteristic of
metals
is:
semiconductors
poor conductors of heat and energy
good conductors of heat and energy
2
elements in the same row have the same
energy levels
atomic number
atoms
3
As you move across the periodic table from left to right, atomic masses:
always decrease
there is no pattern
generally increase
4
You can determine the number of valence electrons by the:
group (family)
atomic mass
period
chemical symbol
5
Carbon (C)
in Group 14 has _____ valence electrons.
3
4
2
1
6
Elements in the same group of the Periodic Table have the same number of ...
...protons.
...shells.
...electrons in their outermost shell.
...neutrons.
7
Sodium (Na) is in Group 1, therefore I know it has the following two characteristics:
11 valence electrons
very reactive
1 valence electron
nonreactive
8
How can you determine an elements identity?
Valence Electrons
Nucleus
Protons
Electrons
9
Which pair of elements have similar properties and why?
Tin and Xenon cuz' they're both in period 5
Lithium and Sodium cuz' they're alkali metals
Oxygen and Chlorine cuz' they're both nonmetals
Hydrogen and Helium cuz' they're both gases
10
On the periodic table, elements with
similar chemical characteristics
are found in the same:
group (column)
period (row)
11
Helium (He)
belongs to the ______ family.
Alkali Metals
Noble Gases
Alkaline Earth Metals
Transition Metals
12
The
positively
charged particles found in the nucleus of an atom are called:
quarks
neutrons
electrons
protons
13
The _____ is an
abbreviation
of an element.
atomic mass
chemical symbol
family
atomic number
14
Which statement about subatomic particles is true?
electron has far less mass than either a proton or neutron.
Protons, neutrons, and electrons have about the same mass.
Unlike protons or neutrons, electrons have no mass.
Neutrons have no charge and no mass.
15
What are valence electrons?
the arrangement of electrons in atoms
period number gives the energy levels of valence for element
the electrons involved in chemical bonding, they determine reactivity
16
An element that has 8 valence electrons is
more positively charged than elements with fewer valence ele
less reactive than elements with fewer valence electrons
more negative than elements with fewer valence electrons
more reactive than elements with fewer valence electrons
17
The
average mass
of an atom is the:
chemical symbol
atomic mass
atomic number
period
18
Which group of elements is un-reactive?
Inner transition metals
Alkaline-earth metals
Noble Gases
Transition metals
19
The
number of protons
an element has is the:
chemical symbol
atomic number
atomic mass
family
20
Which of the following is a true statement?
periods form horizontal rows; groups form vertical columns
gases form horizontal rows; categories form vertical columns
groups form horizontal rows; periods form vertical columns
categories form horizontal rows; gases form vertical columns
21
Proton Number?
51.9961
27.0029
24
28
22
All the elements in a family have the same (or similar):
Density
Number of Neutrons
Numbers of Protons
Chemical and physical properties
23
The elements to the
left
of the zig zag line on the periodic table of elements are:
metalloids
solids
nonmetals
metals
24
How many valence electrons do Group 17 elements have?
7
5
4
6
25
Elements in Group 18 (
Noble Gases
) are:
metals
very reactive
metalloids
not reactive
26
Sodium, Na
, belongs to the ______ family.
Transition Metals
Noble Gases
Alkaline Earth Metals
Alkali Metals
