Misconception SCM066:

The number of different kinds of molecules, not the number of each kind of atom, is always conserved (AAAS Project 2061, n.d.).

Items that test for misconception SCM066 in this key idea ()
Item ID
Number

Item Description

How Often the Misconception was Chosen

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SC089005

The number of each kind of atom stays the same during the combustion of propane. (This item uses circles to represent atoms.)

22%

SC102002

The number of each kind of atom stays the same during a chemical reaction. (This item uses circles to represent atoms.)

16%