A scientist is working with methane (CH4) and butane (C4H10). Which statement best compares these chemicals?

1 They are two different types of molecules that each contain the same number of atoms.

2They are two different types of atoms that are each made up of a different number of elements.

3 They are compounds made of the same two elements, but each contain different numbers of atoms.

4 They are matter made of the same two compounds, but each contain different types of elements.

Question

A scientist is working with methane (CH4) and butane (C4H10). Which statement best compares these chemicals?



1 They are two different types of molecules that each contain the same number of atoms.

2They are two different types of atoms that are each made up of a different number of elements.

3 They are compounds made of the same two elements, but each contain different numbers of atoms.

4 They are matter made of the same two compounds, but each contain different types of elements.

mathstudent55 · Answer

$CH_4$ has 1 atom of carbon and 4 atoms of hydrogen.
$C_4H_{10}$ has 4 atoms of carbon and 10 atoms of hydrogen.

mathstudent55 · Answer

The formulas tell you how many atoms are in one molecule.

mathstudent55 · Answer

Now read each choice and see which one makes sense.