An isotope of platinum has 100 neutrons. What is the atomic number of this specific isotope of platinum? 100, 98, 195, 198

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Can someone me with 6 to 10 plz this is for masteries test.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .