If an atom contains 12 protons and 10 neutrons, what's its mass number?

A student assistant is cleaning up after a chemistry laboratory exercise and finds three one-liter bottles containing alcohol solutions.

How many neutrons does 3919K have?

What chemical property of water allows for its unique characteristics?

Describe what Darwin observed during his voyage on the HMS Beagle

Chemical reactions when frying

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?

How is the amount of sunlight affect the makeup of an ecosystem