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Unexpected color change is evidence of chemical change
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
Which of the following is the least reactive atom?
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
The last group/family to the right of the periodic table are called
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
Gas, bubbling, fizzing
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
NaCl has how many elements?
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
Formation of precipitate from mixing 2 liquids
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
Period in the periodic table are found
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
Valence electrons are found
In the outer most energy shell
an atom with 8 valence electrons
noble gases
on the side
Chemical change
true
chemical change
2
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