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Atomic Structure Flashcards | StudBud
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Atomic Structure
Atomic Structure
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#Atoms
Flashcards
25 cards
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Questions
25
Answers
1
Aerodynamics is ?
the study of a new place
the study of the properties of moving air
i don't know the answer
the study of the properties of still air
2
Atomic number is..?
how many neutrons are in an atom element
how many protons are in an atom of the element
how many atoms are in an atom element
how many electrons are in an atom element
3
Valence electrons are..?
the electrons in the outer energy level of an atom
the protons in the outer energy level of an atom
the neutrons in the outer energy level of an atom
4
Because protons are positive and electrons are negative they are what?
attracted to one another
repelled from one another
attracted to themselves
5
Mass number is....?
electrons + electrons
electrons + neutrons
neutrons + protons
protons + electrons
6
By 1925, who's model of the atom no longer explained all aspects of electron behavior?
J.J Thomson
Neil Bohr
Dmitri Mendeleev
John Dalton
7
2 protons + __ electrons = total charge of a helium atom?
1
5
3
2
8
If Helium is made up of 2 protons. How many protons is Hydrogen have?
2
4
3
1
9
The 3 main subatomic particals are?
protons
newtrons
electrons
distinguished by mass, charge, and location in the atom.
10
An orbital is..?
to accept without proof
i have no clue
a quantum of light
a region in an atom with a high chance of finding electrons
11
Atoms of have the same amount of protons, but they can have different numbers of what?
atoms
electrons
protons
neutrons
12
Elements that have similar properties appear at regular intervals are called the _________?
atomic structure
periodic law
periodic table
13
What is a nucleus made of?
neutrons
positive charges
protons
protons, neutrons, and positive charges
14
_____ and _______ forces?
unbalanced;lift
lift;drag
balanced;drag
unbalanced;balanced
15
What was one of the first scientist to design a way of organizing atomic mass?
Mr.T
John Dalton
Democritus
Dmitri Mendeleev
16
Mendeleev arranged elements in rows by ______ atomic mass.
decreasing
increasing
17
A photon is ?
a quantity of light
a unit of light
a quantum of light
both A and B
18
The modern periodic table organizes elements by ______ .
mass number
atomic number
photon
atomic mass
19
Who says " bazinga " off of the show The Big Bang Theory?
Penny
Amy
Lenard
Sheldon
20
Lift is ?
a balanced force
a unbalanced force
a mechanical aerodynamic force
a mechanical force
21
Hydrogen is made of 1 proton. Lithium is made up of 3 protons. How many protons Helium have?
22
222
2
12
22
What are two main resources used to make ammonia?
natural gas and atmospheric nitrogen
water and dirt
gasoline and fire
deer urine and water
23
What is water made of?
12 oxygen 9 hydrogen
3 hydrogen 2 oxygen
1 hydrogen 2 oxygen
2 hydrogen 1 oxygen
24
In the atomic model we know today, electrons can what?
can not be found in levels
can not be found in between levels
can be only found in certain energy levels
25
Positive and negative charges attract each other with a force known as what?
electric force
atomic force
mass force
gravitational force
