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periodic table of elements and their families Flashcards | StudBud
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periodic table of elements and their families
periodic table of elements and their families
11 terms
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get to know about the different families
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
where are lanthanides found ?
in nature
earth
lab made
space
2
actinides are...
man-made
non metals
radioactive
naturally occurring
3
alkali metals are the most reactive
True
False
4
which family has one valance electron ?
transition metals
lanthanides
alkali metals
alkaline earth metals
5
what are noble gases ?
a gas
reactive
unreactive
an element
6
how many valance electrons do noble gases have ?
6
8
7
5
7
transition metals have...
4 valance electrons
nothing in common
all the same basic properties
varying atomic structure
8
the families are organized in rows
False
True
9
lanthanides are...
found naturally
called rare earth metals
very common
man - made
10
halogens are non metals
True
False
11
how many elements are on the periodic table?
115
86
118
97
