please help with this two questions, thanks

7. P is a Period 3 element. Q is an oxide of another Period 3 element. The structures of P and Q are shown below: Which of the following statements about P and Q are correct? (1) The oxide of P can react with dilute acid. (2) Q is soluble in water. (3) Both P and Q are solids at room temperature and pressure. A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3) 8. Which of the following comparisons about main group metals and transition metals is INCORRECT? Main group metals Transition metals A. They have lower melting points. They have higher melting points. B. Their ions in aqueous solution are usually All transition metal ions in aqueous solution are colourless. coloured. C. They usually form only one type of simple They can form two or more simple cations with ion. different charges. D. They are generally not used as catalysts. They are usually used as catalysts