Answer:
1. option D titanium because metallic properties increases down the group .
2. option A potassium has the least malleable character due to top element of the group .
3. Option A transition elements are brightly colored .
4. Option D metallic trends are increase from right to left and top to bottom
5. Option A Conductivity will be the main concern for the mobility of free electrons during cooking
6.Option B Conductivity and ductility
7. Option B
Explanation:
