Which of the following groups of elements are most likely not to show similar properties?
carbon, silicon, and tin
helium, neon, and argon
francium, radium and hassium
manganese, rhenium, and technetium

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.

Rays from the sun are not considered matter true or false

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3