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Modern Atomic Theory Flashcards | StudBud
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Modern Atomic Theory
Modern Atomic Theory
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A #chemistryquiz for #grade11
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
what is the atomic symbol for potassium?
Na
Au
K
Fe
2
what is the atomic number in an element?
number of protons
number of neutrons
number of electrons
3
what is the modern atomic theory
the basis of chemistry
subatomic particles
the concept that atoms play a fundamental role in chemistry
John Dalton
4
Whos is John Dalton?
a 1800s German painter
English chemist/physicist who formulated the atomic theory
a singer
the first male football player
5
what is an atom?
the basic unit of a chemical element
a part of DNA
I have no idea
is an element on the periodic table
6
what type of charge is a proton?
positive
neutral
negative
7
Where are electrons in the model?
not in the model
on the outside
in the nucleus
8
what are isotopes?
elements with the same number of protons
atoms of the same element with a different number of neutron
9
What do electrons orbit around?
the nucleus
protons
neutrons
10
what type of charge is an electron?
neutral
negative
positive
11
How are particles arranged in atoms?
in a random order
around the center of the nucleus
in straight columns and rows
12
where does the word atom come from?
Greek language
american culture
russia
Latin language
13
who created the nuclear model?
Einstein
Rutherford
Bohr
14
what are atoms composed of?
subatomic particles
other elements
metal
15
where is the nucleus located?
all around at atom
in the center of an atom
on the outside of an atom
16
what is an atomic symbol?
number of protons in an element
the whole name of an element
one or two letter abbreviation of the name of the element
17
what is the smallest piece of an element
protons
element
matter
atom
18
what are all atoms of all elements?
i dont know
tons of different elements
electrons, protons, and neutrons
19
what type of charge is a neutron?
positive
neutral
negative
20
the sum of the number of protons in the nucleus is called what?
isotopes
the nucleus
atomic number
mass number
