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Atomic Theory & Sturcture Flashcards | StudBud
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Atomic Theory & Sturcture
Atomic Theory & Sturcture
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Review atomic theory, history of atom, and structure. #atomicstructures #atom #atomictheory
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1
What subatomic particles are located in the nucleus?
protons, neutrons
electrons, protons
neutrons, electrons
electrons, protons, neutrons
2
This scientist has a theory named after him & is considered the Father of Modern Atomic Theory.
Ernest Rutherford
John Dalton
James Chadwick
Democritus
3
Using the picture, what do the black spheres represent?
Astroids
Neutrons
Protons
Electrons
4
What charge do electrons have?
Negative
Positive
Neutral
5
The mass number gives us the number of ________ plus __________ .
electrons; neutrons
neutrons; electrons
protons; electrons
protons; neutrons
6
An electron _______ another electron.
repels
attracts
loves
fights
7
J.J. Thomson is credited with finding the _________.
Electron
Proton
Atom
Subatomic Particle
8
Scientist proposed that the center of an atom was more dense and contained the mass of the atom
Ernest Rutherford
Neils Bohr
J.J. Thomson
John Dalton
9
This philosopher named atoms after the Greek word atomos, which means indivisible.
Plato
Democritus
John Dalton
Ernest Rutherford
10
Particle with no charge that exists in the nucleus of most atoms.
Neutron
Electron
Atom
Proton
11
What are the three subatomic particles?
protons, neutral, electrons
mass, weight, density
positive, negative, neutral
protons, neutrons, electrons
12
An electron and proton ________ one another.
love
fight
attract
repel
13
Using the diagram, what element is represented? (red spheres=protons)
Calcium (Ca)
Hydrogen (H)
Mercury (Hg)
Lithium (Li)
14
What charge do neutrons have?
Positive
Negative
Neutral
15
What charge do protons have?
Neutral
Negative
Positive
16
How many subatomic particles are there?
4
3
2
5
17
An atom is...
Gigantic
Very small
Very big
18
Center of an atom contains most of the atom’s mass.
Proton
Nucleus
Atom
Neutron
19
Using the picture, if the red spheres are protons, what are the blue spheres?
Neutrons
Electrons
Protons
20
What on the periodic table gives us the number of protons an element has?
Atomic number
Element
Mass number
Atomic mass
21
Which subatomic particle circles around the nucleus in orbitals?
neutrons
positrons
electrons
protons
22
Positively charged particle that exist in the nucleus of an atom.
Positron
Neutron
Electron
Proton
23
How many protons does this element have?
11
23
5
2
24
How many protons does this element have?
4
8
16
12
25
Do neutrons attract or repel anything?
No
Yes
Only electrons
Only protons
