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An atom of element X has an atomic mass of about 40; after reacting with a second atom of X, a different element (called Y) with an atomic mass of 80 is produced. What type of reaction is this? a. fusion
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An atom of element X has an atomic mass of about 40; after reacting with a second atom of X, a different element (called Y) with an atomic mass of 80 is produced. What type of reaction is this?

a. fusion
b. fission
c. combustion
d. synthesis

User Milap
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1 Answer

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The answer is a. fusion. The reaction formed a different element, so this is not a chemical reaction. Then c and d are not correct. Two atoms form one atom, so it is fusion.
User Nimish Choudhary
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