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Alchemy Unit 2 Review Flashcards | StudBud
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Alchemy Unit 2 Review
Alchemy Unit 2 Review
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1
Which element has the atomic number of 47?
Gold
Silver
Platinum
Copper
2
Which element typically has 10 neutrons?
Sodium
Oxygen
Boron
Fluorine
3
Where are the protons in this model?
Between the nucleus and shells
On the outside
In the center
Non-existent
4
How do you calculate neutrons in an atom?
Protons - electrons
Protons + neutrons
Atomic number - mass
Mass - atomic number
5
In order to change phosphorus to sulfur, you would need to add a
neutron
proton
electron
nucleus
6
Who is credited with the Plum Pudding atomic model?
Thomson
Bohr
Dalton
Rutherford
7
What is the charge of a neutron
Neutral
Positive
$1.99
Negative
8
How many protons does technetium have?
52
73
43
90
9
What is the charge of an atom?
$26.50
Negative
Neutral
Positive
10
Name the element with 10 electrons.
Boron
Calcium
Neon
Fluorine
11
Whichof the following are isotopes of copper, Cu?
A
D
B
C
12
What is the atomic number
NOT
equal to in a neutral atom?
Protons
Neutrons
It is equal to all of these
Electrons
13
Isotopes differ in the amount of ____ and ____.
neutrons, mass
protons, neutrons
protons, mass
electrons, mass
14
Which is more stable, an isotope of Americium, Uranium, Technetium, or Oxygen?
Technetium
Americium
Oxygen
Uranium
15
What is the charge of a proton?
Negative
Neutral
Positive
$1.99
