What is the mass of an atom that has 2 protons, 3 neutrons, and 2 electrons

What is radioactivity? A. The movement of electrons around an atomic nucleus B. The emission of high-energy particles or waves from atoms C. A term that describes the forces that hold atomic nuclei together D.

What conversion factors should be used to convert 18 mi/hr to ft/sec? what conversion factors should be used to convert 18 mi/hr to ft/sec?

If you are going 30 miles an hour in good condition, it will take how many feet to stop.

How long does it take to drive 2376 miles at 65mph?

Which best states the author's argument in catching sun rays? no power source is clean, free, and renewable. it costs too much to use solar energy for power. the use of solar energy can cause blackouts in big cities.

Sound waves transport: a. only matter b. only energy c. both matter and energy d. matter when passing through a medium and energy passing through vaccum

What's the number 9?

A car travels along a straight line at a constant speed of 60.0 mi/h for a distance d and then another distance d in the same direction at another constant speed. The average velocity for the entire trip is 30.0 mi/h.

Why is it dangerous to be exposed to X-rays but not (or at least much less) dangerous to be exposed to radio waves?

Which statement would need to be true for astrology to be considered a science? A. Experimental evidence is collected that supports it. B. The majority of people believe that its claims are true. C. Its explanations are supported by a scientific law.