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periodic table Flashcards | StudBud
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periodic table
periodic table
20 terms
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#periodictable #middleschool
Flashcards
20 cards
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Questions
20
Answers
1
Which of the following are patterns on the periodic table?
there are no patterns
number of valence electrons
number of energy levels
sorted by atomic number
2
does not conduct electricity well
nonmetals
metals
metalloids
3
An element with a full valence shell is
stable
unstable
4
has properties of metals and nonmetals
nonmetals
metalloids
metals
5
alkaline earth metals are group
18
1
17
2
6
Shiny luster
metals
nonmetals
metalloids
7
elements in pink are
metals
nonmetals
metalloids
8
An element with 1 valence electron would bond with an element that has ____ valence electrons
1
2
7
5
9
Elements in purple are
metalloids
metals
nonmetals
10
An element with 2 valence electrons is
unstable
stable
11
How many energy levels are present in this picture?
3
2
1
12
What is a valence electron?
half the amount of electrons
the electrons on the outer energy level
the total # of electrons
13
an element with 3 valence electrons would bond with an element that has ___ valence electrons
7
5
2
1
14
halogens are group
2
1
17
18
15
What determines an element's stability?
# of valence electrons
its color
# of energy levels
if it is happy
16
which element is considered stable?
Calcium, 20
Chlorine, 17
Neon, 18
Potassium, 19
17
How many valence electrons are shown?
8
13
3
18
elements in orange are
metals
nonmetals
metalloids
19
What is an energy level?
the nucleus
amount of energy a person has
the area where electrons are found
20
Alkali metals are in group
1
2
18
17
