What determines the atomic mass of an element?

A.

the sum of the neutrons and the electrons

B.

the sum of the protons and electrons

C.

the sum of the ions and isotopes

D.

the sum of the protons and the neutrons

What is a hypothesis answer sentence for a lemon battery experiment

What does control mean in science

How does the polar jet stream affect temperature and precipitation in North America?

a train traveling at 30m/s comes to a complete stop in 20 sec. how far did the train go during the deceleration

Convert the acceleration of a free falling body 9.8 m/s^2 to ft/s^2

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Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C. the theory of inertia D. the theory of radioactivity ... the answer is A i just found out

For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?