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Periodic Table 8.5ABC Flashcards | StudBud
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Periodic Table 8.5ABC
Periodic Table 8.5ABC
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#PeriodicTable #EMS #8.5ABC
Flashcards
34 cards
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Questions
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Answers
1
This element has 4 protons
Be
C
He
K
2
This element has properties of both metals and nonmetals
F
Si
O
S
3
How many neutrons are in an atom of Be
9
5
4
2
4
This element has similar chemical properties to F
Ne
Ar
Cl
O
5
The subatomic particle that determines the identity of an element
valence electrons
neutrons
protons
electrons
6
What period of the periodic table is the element lead found in?
6
14
4
5
7
How many protons are in an atom of iron?
56
4
8
26
8
How many protons does Calcium have?
20
6
12
40
9
How many protons are in an atom of Uranium
7
140
238
92
10
How many neutrons are in a Potassium atom?
16
20
39
19
11
what is the charge of nucleus of an atom of Boron?
positive
neutral
negative
12
Which subatomic particle determines the reactivity of an atom?
Electrons
Valence Electrons
Protons
Neutrons
13
An element in the same period as S
Si
Li
O
Se
14
This element has 17 electrons in a neutral atom
Cl
O
Br
F
15
An element in the same group as Be
C
Li
Al
Mg
16
The only noble gas in period 1
He
H
Be
Li
17
These subatomic particles make up much of the atom's mass but none of its charge
electrons
neutrons
valence electrons
protons
18
How many neutrons are in an atom of Xe
131
54
77
18
19
This element can be found in period 3 and group 2 of the periodic table
He
Mg
B
Li
20
This element has 15 protons
O
As
P
N
21
Which group # has the only stable elements on the periodic table?
7
2
1
8
22
How many neutrons does Aluminum have?
14
13
27
26
23
The region of the atom where the negative particles are located
electron cloud
nucleus
24
How many valence electrons does Chlorine have?
7
3
35
17
25
How many valence electrons does the element Magnesium have?
12
24
2
3
26
This element has the following physical properties: malleable, ductile, good conductor
Ne
Mg
Cl
B
27
Is oxygen reactive or stable?
reactive
stable
28
Sodium's atomic number
16
11
22
23
29
Metalloid in group 3
Mg
B
P
Ga
30
What is the identity of the element that has 14 protons?
Si
S
C
N
31
The element in period 4 with the largest atomic mass
Pb
Kr
Br
Ti
32
This element has the same number of electron shells as Carbon
Mg
K
Si
B
33
How many valence electrons does an atom of Lithium have?
2
7
3
1
34
The only element that is stable with 2 valence electrons
Li
He
H
Ne
