EXERCISE 2 (THE MATTERS)

AND NOW LETS TAKE A LOOK ABOUT IRON. DO YOU KNOW IRON ?
YEAH, IRON IS A MATTER THAT USES AS A MATERIAL BUILDING
YOU MUST KNOW THAT IRON IS A MATTER THAT HAVE A STRENGHT
TO TAKE A STRESS THAT CAME FROM  THE OUTSIDE, ESPECIALLY
EXTERNAL FORCES.
2. WHAT ABOUT MAGNESIUM, SILVER AND GOLD ? ARE THERE A MATTER TO ?
EXPLAINED YOUR ANSWER !
DO YOU KNOW ABOUT HIDROGEN, HELION AND ARGON ? ARE THERE A MATTER OR SOMETHING ?.
OKEY, YOU CAN ANSWER BY YOUR OPINION AND SEND YOUR ANSWER RIGHT AWAY TO MY EMAIL, OR MADE A COMMENT HERE !