Chemistry of Life
Authored by brandon york
Science
12th Grade
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elements in the same column of the periodic table always have the same # of _______ as one another.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
USE THE PERIODIC TABLE
How many valence electrons does Phosphorus have?
31
5
15
4
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many valence electrons does carbon have?
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many valence electrons are in this picture?
12
7
8
14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An element
contains one type of atom
contains two or more different type of atoms
is two or more different substances not chemically combined
is the way something is put together or combined
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pure substance is
the way something is put together or combined
two or more different substances not chemically combined
a kind of matter that always has a specific composition chemically combined.
a small number that tells the amount of each element in a compound
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Composition means
a substance that contains one type of atom
the way something is put together or combined.
two or more different substances not chemically combined.
subscript.
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