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Chemistry Review Flashcards | StudBud
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Chemistry Review
Chemistry Review
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1
Which subatomic particle(s) make up the mass number?
Protons + Electrons
Protons + Neutrons
Electrons Only
Protons only
2
In order to be an isotope, which subatomic particle value changes?
electron
proton
neutron
3
Chadwick was responsible for which part of the atomic theory?
finding electrons
finding the nucleus
finding neutrons
finding protons
4
Protons are the same size as....
the nucleus
a neutron
an electron
5
Which scientist states that electrons are found in the electron cloud?
Rutherford
Schrodinger
Dalton
Bohr
6
Which subatomic particle determines the atom's identity?
Nucleus
Protons
Neutrons
Electrons
7
Adding or subtracting an atom's amount of electrons will change its what?
Identity
Mass
Family Placement
Charge
8
A different amount of neutrons will change the atom's what?
Mass
Charge
Position on the Periodic Table
Identity
9
If the average atomic mass of Hydrogen is 1.01 which isotope will be in greatest abundance?
Protium
can't be determined
Tritium
Deuterium
10
Which subatomic particle is NOT considered in the atom's mass?
neutron
electron
proton
11
The gold foil experiment discovered which subatomic particle of the atom?
Electron
Electron Cloud
Neutrons
proton
12
Which part of the atom is positively charged?
none
Neutrons
Electron Cloud
Nucleus
13
In order to use correct isotopic notation, what number should under the mass number below?
8
10
can't be determined
9
14
A change in the amount of protons in an atom will change its what?
identity
charge
mass
15
I have a mass number of 10, what are the total number of subatomic particles in my nucleus?
9
7
10
4
16
Which subatomic particle will create an ion?
protons
neutrons
electrons
17
How many neutrons does sodium have? It's atomic number is 11 and a mass number of 23.
12
13
11
23
18
What is the correct mass number notation for an atom with 5 protons, 5 electrons, & 6 neutrons?
Carbon-10
Boron-5
Boron-11
Carbon-11
19
What is my charge?
0
-2
-6
+2
20
How many neutrons do I have?
63
34
35
29
21
Beryllium - 11 has how many neutrons?
7
9
5
4
22
Thomson's discovery of the electron disproved which of Dalton's Postulates?
All matter is made of indivisible particles called atoms
Different atoms combine in whole ratios to form compounds
In a chemical reaction, atoms aren't created or distroyed
All atoms of an element are identicle
23
I have 4 protons, who am I?
Be
He
Ti
B
24
What is my atomic number?
10
4
3
7
25
The number of electrons compared to the number of protons determine the atom's what?
reactivity
charge
identity
isotope
26
The Plum Pudding Model was proposed by which scientist below?
Dalton
Rutherford
Bohr
Thomson
27
If an atom of Carbon has 6 protons, what does it need to be neutrally charged?
3 neutrons
3 electrons
6 neutrons
6 electrons
28
How many electrons does a Li
+1
if lithium has an atomic number of 3?
3
1
2
4
29
An neutral atom of Nitrogen will always contain which of the following subatomic particles?
7 protons and neutrons
all of the above
7 electrons and neutrons
7 electrons and protons
30
What is the charge of the atom below?
-6
-3
+3
+6
31
This scientist first used the terms atom and said they were indivisible?
JJ Thomson
Bohr
Democritus
Aristotle
32
The following represents which scientist's atomic model?
Rutherford
Dalton
Bohr
JJ Thomsom
33
Which of Dalton's atomic theories was proven wrong by Chadwich?
Atoms of elements are indivisible
Atoms of the same element are identical
During a chemical reaction, atoms of elements are rearranged
Atoms of elements combine to make compounds
34
This scientist found that the atom was mostly empty space?
JJ Thomson
Schrodinger
Rutherford
Dalton
35
Which subatomic particle has a negative charge?
Electron
Proton
Neutron
none
36
What do the 3 isotopes of hydrogen have in common?
They can never become an ion
They have the same size nucleus
They have the same number of protons
They have the same amount of neutrons
