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All of the following are clues that a chemical change has occurred except for ________________
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
Which of these substances is a compound?
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
True or False: Phase Change is a CHEMICAL change.
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
Which of the following represents a chemical change?
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
The two sides of a chemical equation are called
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
In a covalently bonded molecule, the electrons between elements are
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
Which of the following statements does not apply to a compound?
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
One of the most influential factors in determining an element's reactivity is _______________.
shared between the atoms.
mass changes
water
it can be separated into components by physical methods
reactants and products
nail rusting
False
how many valence electrons it has.
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