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What are the beginning parts of a chemical reaction called?
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
An Alkali metal is most likely to bond with____.
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
This atom has 4 valence electrons and 5 energy levels.
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
Based on the chemical formula, which of these is NOT an organic compound?
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
How many elements are in the formula: Al2(SO4)3
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
To identify an atom like Chlorine, I would need to know ...
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
What would we look at to determine whether two atoms have similar properties?
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
A scientist did several experiments in the lab. Which of the following is NOT a chemical reaction?
the group number
3
the number of protons .
a Halogen.
reactants
Tin
One liquid rose to the top of the flask, and the other liquid settled to the bottom.
Ca(OH)2
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