If a substance consists of only one kind of atom, it is an ...

A. mixture

B. element

C. solution

Which of the following is NOT one of the three types of compounds? acids salts bases sugars

Has The property of inertia

Why is red the last color seen at sunset? a:It reflects off the atmosphere. b:It is scattered the least by the air. c:It is bent the most by the air. d:It is bent by raindrops.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

What defines the pressure of a gas

How many atoms will you find in 2.0 moles of he?

An atom of nitrogen has seven electrons. Which diagram correctly respresents the arrangement of these electrons?

A farmer has concerns about the nitrogen levels in her soils. What can she do to ensure that the nitrogen bacteria are replenished in the soil? Question 6 options: Clear cut the area surrounding the field.

The changing of gas to liquid

A very simple assumption for the specific heat of a crystalline solid is that each vibrational mode of the solid acts independently and is fully excited and thus cv=3NAkB=24.9 kJ / (kmol⋅K). This is called the law of Dulong and Petit.