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Topic 1 Test Review - Atoms and the Periodic Table Flashcards | StudBud
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Topic 1 Test Review - Atoms and the Periodic Table
Topic 1 Test Review - Atoms and the Periodic Table
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1
Neutrons are particles that
are located outside the nucleus and are negatively charged
are located outside the nucleus and have no charge
help make up the nucleus and have no charge
help make up the nucleus and are positively charged
2
The smallest particle into which an element can be divided and still be the same substance is
molecule
electron
proton
atom
3
The atomic mass of mercury is
200.6 amu
80 amu
200.6 g
80 g
4
Most elements on the periodic table are classified as __________.
Metals
Metalloids
Nonmetals
5
Isotopes have different
charges
mass numbers
chemical properties
atomic numbers
6
An atom has an atomic number of 23 and a mass number of 51. How many neutrons does the atom have?
74
23
28
51
7
Mendeleev arranged the elements
in order of increasing atomic number
alphabetically
in order of increasing atomic mass
randomly
8
The atomic number of an atom is the total number of ____ in the nucleus.
neutrons
protons and neutrons
protons
protons and electrons
9
Electrons are particles that
are located outside the nucleus and are negatively charged
help make up the nucleus and are positively charged
are located outside the nucleus and have no charge
help make up the nucleus and have no charge
10
The zigzag line on the periodic table helps you identify
elements as metals, nonmetals, and metalloids.
where the lanthanides and actindes belong.
the physical state of an element at room temperature.
the froup muber for the element.
11
Which statement about protons is true?
Protons have not charge.
Protons have a mass so small it is considered to be zero.
Protons circle the nucleus of an atoms.
Protons are part of the nucleus of an atom.
12
Which of the following is NOT found on the periodic table?
atomic mass
density
atomic number
symbol
13
What is a column called on a periodic table?
group or family
atomic line
period
transition
14
Which class of elements are also called semiconductors?
nonmetals
metals
all of the above
metalloids
15
What particles make up the nucleus of an atom?
Neutrons and electrons
Protons, neutrons, and electrons
Neutrons
Protons and neutrons
16
Which part of the atom is the least massive?
Neutron
Protons and Neutrons
Proton
Electron
17
The SI unit used to express the masses of particles in atoms in the
atomic mass unit (AMU)
kilogram (kg)
newton (N)
gram (G)
18
Atoms of most nonmetals have ______ electrons in their out energy level.
few
a complete set of
about a half-complete set of
an almost complete set of
19
An atom has no overall charge if it contains equal numbers of?
electrons and protons
none of these
neutrons and protons
neutrons and electrons
20
A row on the periodic table is also called a ________.
period
group
atomic line
family
21
Atoms of most metalloids have ______ electrons in their out energy level.
about a half-complete set of
an almost complete set of
few
a complete set of
22
In the periodic table, elements are classified as ________ according to their properties.
solid, liquid, or gas
metals, nonmetals, and metalloids
neutral or ionized
bondable or not bondable
23
Moseley rearranged the elements in Mendeleev's periodic table in terms of
chemical symbols
density
atomic mass
atomic number
24
Oxygen has 8 protons, 8 neutrons and 8 electrons would have a mass number of
4
24
16
8
25
Atomic mass is calculated by finding the
average of the masses of the isotopes of an element
sum of the masses of all the natural isotopes of an element.
average of the diameters of isotopes of an element
sum of the masses of all the isotopes of an element
26
Which of the following statements describe isotopes?
atoms of the same element
have same atomic number but different mass numbers
have the same number of protons but different number neutrons
all of the above
27
One property of most nonmetals is that they are
shiny
solids at room temperature
flattened when hit with a hammer
poor conductors of electric current
