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UNIT 3: Atomic Structure & Periodic Table Mania Flashcards | StudBud
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UNIT 3: Atomic Structure & Periodic Table Mania
UNIT 3: Atomic Structure & Periodic Table Mania
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A review of atomic structure and the periodic table.
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
The sum of the number of protons and neutrons inside the nucleus is called the __________.
nucleus number
element number
atomic number
mass number
2
Group 1 elements are also called ____________.
alkaline earth metals
halogens
noble gases
alkali metals
3
Describe JJ Thomson's Model of the Atom
Electrons are embedded in a positively charged sphere
Protons exist in the nucleus with electrons orbitting
Electrons orbit a dense nucleus
4
Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.
isotopes
ions
isomers
indicators
5
The number of protons an atomc contains is identified by the ____ ____ on the periodic table.
group #
mass #
atomic #
row #
6
A column on the periodic table can also be called a ________ or a ___________.
group / family
family/ row
period / group
family / period
7
Atoms of the same element that have a different number of neutrons are called ____________.
ions
isomers
isotopes
indicators
8
Which atomic model does this represent?
Thomson
Dalton
Bohr
Rutherford
9
A row on the periodic table is also called a ________.
family
neighborhood
group
period
10
Which listing below shows the proper charges of the subatomic particles?
p = 0 n = +1 e = -1
p = +1 n = -1 e = 0
p = +1 n = 0 e = -1
p = -1 n = 0 e = +1
11
Elements in group 17 are called ____________.
alkaline earth metals
noble gases
alkali metals
halogens
12
Which atomic model is this?
Rutherford
Bohr
Electron Cloud
Thomson
13
Which subatomic particles are located inside the nucelus of an atom?
protons & neutrons
electrons & protons
protons & electrons
electrons & neutrons
14
N. Bohr's model of the atom can be compared to...
plum pudding
the solar system
a cloud
a chocolate chip cookie
15
Who organized the first periodic table based the elements' atomic masses?
Dalton
Mendeleev
Rutherford
Moseley
16
Elements in groups 3 - 12 are called ___________.
alkaline earth metals
transition metals
metalloids
inner transition metals
17
Elements on the modern periodic table are arranged according to their _________.
atomic numbers
atomic radii
atomic properties
atomic masses
18
The average mass of all the isotopes for a given atom is called ___________.
average atomic number
average nuclear mass
average atomic mass
average mass number
19
Elements that have chemical and physical properities of both metals and nonmetals are _____.
metalloids
transition metals
rare earth metals
alkali earth metals
20
What was used in Rutherford's Experiment?
cathode ray tube
gold foil
oil
gas
21
True or false is the Bohr's model
False
True
22
Beta radiation consists of particles that are identical to
neutrons
electrons
protons
23
In Dalton's model, what does it look like?
chocolate chip ice cream
A cloud
A ball
The planet Mars with orbits moving around it.
24
Which atomic model does this represent?
Rutherford
Thomson
Bohr
Dalton
25
Measurements of half-life make radioactive isotopes useful for
radiation therapy.
building shields to absorb nuclear radiation.
tracing oil spills.
determining the ages of rocks and fossils.
