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What is the product when an iron nail rusts?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
Which is the negatively charged particle located outside the nucleus of an atom?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
One isotope of carbon is different from another how?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
Which represents a formula for a chemical compound?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
Which is an example of a chemical reaction?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
How does an enzyme influence a biological reaction?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
which particle in the nucleus of an atom has a neutral charge?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
What is the reactant when paper burns?
oxygen
neutron
oxygen
iron rusting
H2O
decreases the activation energy necessary to initiate the chemical change
electron
number of neutrons
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