I need help with questions 4-7

QUESTTUTV4 Which statement is correct based on periodic trends? O A phosphorus atom should be larger than a sulfur atom. A boron atom should be larger than a lithium atom. An oxygen atom should be larger than a sulfur atom. A phosphorus atom should be larger than a silicon atom. QUESTION 5 An atom has 19 protons, 22 neutrons, and 19 electrons. What is the name of this atom? Titanium-41 Calcium-41 O Phosphorus-41 Potassium-41 QUESTION 6 Which of the following is the best description of a neutron? O A particle that has mass and no charge. A particle that has no mass and a positive charge. O A particle that has mass and a negative charge. O A particle that has no mass and no charge. QUESTION 7 Mercury (Hg) has six different isotopes. All of these isotopes have different mass numbers. O True Falco