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Atoms and The Periodic Table
Atoms and The Periodic Table
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Atoms and the Periodic Table Test review
Flashcards
28 cards
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Questions
28
Answers
1
Semiconductors are elements that
are the most brittle
have large atomic masses
can conduct under certain conditions
are very shinny
2
What is the mass number of an atom that has 19 protons, 19 electrons, and 20 neutrons
39
Built Different
20
19
3
Most metals will form these...
positive ions
istotopes
neural ions
negative ions
4
On the periodic table, what element is represented by the letters “Ti”?
Strontium
Tin
Antimony
Titanium
5
The periodic table is arranged in ABC order.
False
True
6
Atoms that gain or lose electrons are called...
nonmetals
metals
semiconductors
ions
7
Oxygen’s atomic number is 8. This means that an oxygen atom has
8 protons and 8 neutrons
8 protons
a total of 8 protons and neutrons
8 valence electrons
8
What does the periodic table show?
Alkalis
Acids
Molecules
Elements
9
How many groups are in the periodic table?
18
9
7
8
10
The elements
along
zig zag line "stair step pattern" on the periodic table of elements are:
nonmetals
metalloids
metals
11
First group in the periodic table
alkaline earth metals
noble gases
transition metals
alkali metals
12
The number of protons in an atom determines the atoms
reactivity
identity
charge
Valence Shells
13
Which of the following groups/families is the most reactive listed?
Halogens
Carbon Group
Transition Metals
Noble Gases
14
The periodic table contains 7 ______________.
periods
columns
families
groups
15
The periodic table contains 18 ______________.
missing assignments
groups
rows
periods
16
The order of elements in the modern periodic table is based on
neutrons
oxidation
protons
electrons
17
What is the charge of a proton?
positive
neutral
negitive
Ohio
18
As you move from left to right on the periodic table, elements
have a lower atomic number
become shinier
become more metalic
become less metallic
19
Which statement about the atom’s nucleus is correct?
it is made of electrons and has a positive charge
it is made of protons and neutrons and has a positive charge
it has no charge
it is made of electrons and has a negative charge
20
Positive charge ions are called
plasma
cations
anions
neutral
21
Valence electrons determine an atom's
period
mass
chemical properties
identity
22
Who is considered the "Father of the Modern Periodic Table?"
Dimitri Mendeleev
Antoine Lavosier
John Newlands
Lothar Meyer
23
Atoms of elements that are in the same group (column) have the same number of
electron shells
valence electrons
neutrons
protons
24
The first energy level (orbital) of an atom can hold how many electrons?
an unlimited amount
2
16
8
25
Periods of the Periodic table are
the horizontal rows.
the vertical columns.
26
Why were the two rows at the bottom of the periodic table pulled out?
to arrange the elements by increasing isotope occurances
to arrange the table by solids, liquids and gases
to make the table more accurate
to keep the table from being too wide
27
Which of the following is an Alkali Metal
Iodine
Sodium
Gold
Hydrogen
28
Isotopes of the same element have a different number of
electrons
protons
quarks
neutrons
