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physics vocabulary D

What is a compound? a substance made of elements of different kinds combined in a fixed proportion.
What is the Atomic Number? The number of protons in the nucleus of an atom.
What are the types of nucleons? Protons and neutrons.
How is an ion created? When an atom gives up electrons and becomes elecrically charged.
What are the phases of matter? Solid, liquid, gas, plasma
How many elements are known to man kind today? Around 115
Only about 90 or so elements are found on earth. Where can the rest be found? In labratories.
What is Brownian motion? The random movement of atoms and particles.
Where are the electrons found in the atom? In the outer shells of the atom.
What has more mass, an electron or a proton A proton. An electron is a tiny tiny spec compared to the proton
Created by: ebuckley14