Identify 3 elements and 3 compounds. How are they the same? How are they different?

The answer to your question is below

Explanation:

Elements Compounds

1. - Cu (Copper) NaCl (sodium chloride)

2. - Ag (Silver) HNO₃ (nitric acid)

3. - Al (aluminum) KOH (potassium hydroxide)

They are similar because that are composed by elements, they are different because elements are composed by only 1 element and compounds are composed by 2 or more elements.

Elements are simple and compounds are more complex structures.

Answer: elements are gases: hydrogen (H2), nitrogen (N2), oxygen (O2), fluorine (F2), chlorine (Cl2), helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and radon (Rn).

Explanation:identify three elements and three compounds ... They are similar because they are both pure substances but they are different because compounds have two or more different types of atoms while elements have the same exact type of atoms.