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How does an enzyme influence a biological reaction?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
What is the reactant when paper burns?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
which particle in the nucleus of an atom has a neutral charge?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
One isotope of carbon is different from another how?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
If an atom has 7 electrons, how many are located in the second energy level?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
Which is an example of a chemical reaction?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
What is the product when an iron nail rusts?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
Which is the negatively charged particle located outside the nucleus of an atom?
decreases the activation energy necessary to initiate the chemical change
oxygen
electron
iron rusting
number of neutrons
oxygen
5
neutron
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