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Atomic Structure

Test Description: Structure of the atom and atomic models

Instructions: Answer all questions to get your test result.

1) What is the greek word that means unable to be divided

Auncutto Batomos Celectronia Dnucleos

2) Which image shows what Democritus thought the atom was like?

A1 B3 C2 DNone

3) Which is not part of Dalton's theory?

AEverything is made of atoms BAtoms contain electrons, protons, and neutrons CAtoms combine to form compounds and molecules DElements are made of identical atoms

4) The nucleus of an atom

Aall of the above Bis positive. Cis concentrated in the center of the atom. Dcontains neutrons and protons

5) Bohr's Model of the atom is comparable to

Aa beach ball on ocean waves Ball of the above Cplanets orbiting the sun Dfan blades

6) The modern model of the atom says

Aatoms are solid spheres BBohr was completely right. Cwe can only predict how likely it is an electron will be in a certain place. Dthe electrons move in circles around the nucleus

7) The positive subatomic particle is the

Aneutron Bproton Call are positive Delectron

8) The negative subatomic particle is the

Aproton Bneutron Cnone of the above Delectron

9) The lightest subatomic particle is the

Aall have the same mass Bneutron Cproton Delectron

10) Protons and neutrons

Ahave the same charge Bmove around the nucleus Call of the above Dhave similar masses

*select an answer for all questions

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