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Atom
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Atom and periodic table
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
The verticle columes are called
Stacks
ups
downs
Groups
2
Period 3, Group 2
B
Mg
Al
Li
3
The horizontal rows are called
Periods
flats
Groups
Lines
4
Valence electrons are
high energy electrons
first to enter the atom
close to the nucleus
furthest from the neucleus
5
Electrons are found
with protons
Electron cloud
at a party
in the Neucleus
6
Lose of an electron creates
Atom
Party
Isotope
Ion
7
O with a +2 change has how many electrons
6
8
10
2
8
A lose of a neutron creates
Ion
Isotope
A charge
Party
9
Period 2, Group 4
H
Mg
C
N
10
The atoms mass comes from
protons and electrons
Electron cloud
protons and neutrons
Neutrons and electrons
11
Chemisty is
is a philosophy
a party
a tree for christmas
deals with matter
12
What makes an atom "happy"
gaining neutrons
a charge
Cake
8 valence electron
13
The mass of an atom with p=6, n=7, e=5
6
13
18
11
14
The charge on an atom with p=3, n=2, e=4
-1
+1
+2
-2
15
The center of the atom is called
Electron Cloud
Nucleus
Neutron
Proton
16
He has how many valence electrons
6
2
4
1
17
An Element is defined by
electron orbitals
number of protons
it's mass
the nucleus
18
In the third energy level how many electrons can fit
10
8
2
3
19
The discovery of electrons gave us the ____________model
Plum pudding
solar system
Nuclear
Solid sphere
20
B has how many energy levels?
4
1
3
2
21
P has how many valence electrons
5
1
2
8
22
The charge on an atom with p=12, n=13, e=10
-2
+1
-1
+2
23
The Negative charge is from the
Neutron
Nucleus
Proton
Electron
