Two substances that have the same number of moles of representative particles always have?

The atomic radius of an element _ when you move from the top to the bottom of a family. O decreases O increases

Mass defect for the isotope thorium-234 = 1.85864 amu. How many kilograms does the mass defect represent? A) 1.85864 * 10-10 kg B) 1.12 * 10 - 22 kg C) 3.09 * 10-27 kg D) 1.66 x 10-27 kg

Lead melts at 328°c. how much heat is required when 23.0g of solid lead at 297 k condenses to a liquid at 702k?

If a bowling ball hits a wall with a force of 6n the wall exerts a force of what back on the bowling ball

Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur

A sample of methane gas has a volume of 355 mL at 25.0°C and 2414 mm Hg. If the temperature is raised to 100.°C and the pressure is increased to 1250 mm Hg, what is the new volume for the methane gas?

How is wind deflation different from wind abrasion?

Why does foliation occur? (Metamorphic rock)

Which property describes a mixture? Check all that apply. It can be separated by physical methods. It has a single chemical composition. It can appear different from different sources. It cannot be described by a chemical symbol or formula.

Blank is how strong gravity pulls on an object