Question

question 7 (1 point) q7 - find the actinide with highest atomic mass plutonium hydrogen uranium lawrencium question 8 (1 point) q8 - find the metalloid in group 13 aluminum silicon carbon boron

Explanation:

• For Q7: Actinides are a series of elements. Lawrencium has a higher atomic mass compared to Plutonium and Uranium among the given actinides. Hydrogen is not an actinide.
• For Q8: In group 13 of the periodic - table, boron is a metalloid. Aluminum is a metal, silicon is in group 14, and carbon is in group 14.

Answer:

Q7. D. Lawrencium
Q8. D. Boron