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Periodic Table & Atomic structures Flashcards | StudBud
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Periodic Table & Atomic structures
Periodic Table & Atomic structures
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periodic table & atomic structures #atoms
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
what kind of elements are brittle, dull, NOT good conductors?
atoms
metalloids
metals
nonmetals
2
The period number gives what info?
protons
neutrons
valence electrons
energy levels
3
The atomic number tells the number of...
protons
electrons & neutrons
protons & electrons
protons & neutrons
4
Elements in a periodic table are arranged from left to right and top to bottom in order of —
decreasing atomic mass
decreasing atomic number
increasing atomic number
increasing atomic mass
5
which side on the periodic table have the most highly reactive elements?
middle
bottom
left side
right side
6
what are atoms that have a charge called?
ions
nucleus
protons
electrons
7
how many electrons can the 3rd energy level hold?
2
8
4
18
8
how many electrons can the 2nd energy level hold?
18
8
2
10
9
where are protons found in the atom?
atom
nucleus
electron cloud
neutron
10
how many neutrons does sodium have?
14
11
13
12
11
how many energy levels does helium have?
2
1
4
3
12
where can metals be found on the periodic table?
left side
right side
middle
bottom
13
What charge does the nucleus have?
positive
negative
neutral
no charge
14
How many groups are found on the periodic table?
7
3
18
8
15
Where are the most reactive metals located on the periodic table?
Far Right
Middle
Bottom
Far Left
16
where are nonmetals found on the periodic table?
bottom
middle
right side
left side
17
what is the maximum # of valence electrons an element can have?
18
2
8
1
18
elements in group 13 have how many valence electrons?
6
10
3
13
19
Elements V, W, X, Y are considered to be in the same?
Nucleus
Period
Atom
Group
20
what can be used to help identify elements on the periodic table?
neutrons
electrons
protons
nucleus
21
how many electrons does neon have?
10
18
none
8
22
what kind of elements are shiny, hard, good conductors?
metals
atoms
metalloids
nonmetals
23
what does valence electrons determine?
element reactivity
# of protons
# of neutrons
ions
24
how many valence electrons does Carbon have?
4
12
6
14
25
how many electrons can the 1st energy level hold?
0
2
8
1
26
What are the vertical columns are called?
Elements
Periods
Groups
Energy levels
27
Elements X, P, Q, R, S are in the same...
Atom
Nucleus
Period
Group
28
The group number tells the number of...
energy levels
Protons
Electrons
valence electrons
29
what subatomic particles can be found in the nucleus?
only protons
neutrons & electrons
protons & electrons
protons & neutrons
30
Nonmetals are found where on the periodic table?
Far Left
Far Right
Bottom
Middle
