Something wrong

This task is about properties of elements, compounds and mixtures.
diagram 1  diagram 2  diagram 3
A group of friends were talking about elements, compounds and mixtures. Each made a statement, but no one was completely correct. Explain the mistake in each statement.

Question 1Change answer

Statement 1: Lara said, "In compounds the number of protons doesn't equal the number of electrons."
Explanation:

Question 1Change answer

Statement 2: Tama said, "A compound is a chemical which contains more than one atom."
Explanation:

Question 1Change answer

Statement 3: Matthew said, "Elements have only one atom."
Explanation:

Question 1Change answer

Statement 4: Phoenix said, "In mixtures there are at least two particles joined together."
Explanation: