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Atoms-TOBIN Flashcards | StudBud
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Atoms-TOBIN
Atoms-TOBIN
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science
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Answers
1
The __________ contains the majority of the mass of the entire atom.
neutrons
nucleus
protons
electrons
2
The 2 measurable properties that chemistry focuses on are... mass & __________
density
volume
weight
charge
3
An atom is "charged" when
there are more electrons
# of electrons = # protons
they are liquids
there are more protons
4
The ___________ is like the fingerprint of the atom...it identifies what atom you have.
proton
electron
nucleus
neutron
5
What are the gray particles in the picture?
proton
electron
nucleus
neutron
6
What is the basic unit of all things that CANNOT be broken apart?
compound
nucleus
atom
cell
7
The most dense area of the atom is...
the nucleus
plum pudding
protons
the electron cloud
8
One proton is about 2000 times more massive than an electron.
False
True
9
What part of an atom contains both protons and neutrons?
Shell
Center
Nucleus
Electron
10
What are the orange particles?
proton
neutron
electron
nuclues
11
What are the yellow particles?
neutron
electron
proton
nuclues
12
What subatomic particle in an atom is negatively charged?
neutron
nucleus
proton
electron
13
What is the chart that list all of the elements found on Earth?
Venn Diagram
Malyso Square
Periodic Table
Elemental Circle
14
Which two subatomic particles make up the MASS NUMBER?
electron/electron
electron/proton
proton/neutron
neutron/electron
15
The # of _____ in an atom is permanent. If you change it, you change the type of atom you have.
protons
neutrons
electrons
16
What subatomic particle in an atom is positively charged?
electrons
protons
nuclues
neutron
17
Why is the nucleus positively charged?
Because it is always happy.
That is where the neutrons are found.
That is where the protons are found.
That is where the electrons are found.
18
The atom is made of mostly
empty space
neutrons
protons
electrons
19
What subatomic particle in an atom has a neutral charge?
nucleus
neutron
electron
proton
20
The gold foil experiment was very important in determining critical characteristics of atoms.
False
It used to be, but not now.
True
It never was.
21
What tells the number of protons in an atom?
Atomic Symbol
Atomic Number
Atomic Mass
Atomic Answer
