Atomic Structure Question Preview (ID: 319)
Structure Of The Atom And Atomic Models.
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What is the greek word that means unable to be divided
a) uncutto
b) nucleos
c) electronia
d) atomos
Which image shows what Democritus thought the atom was like?
a) 1
b) None
c) 3
d) 2
Which is not part of Dalton's theory?
a) Elements are made of identical atoms
b) Everything is made of atoms
c) Atoms contain electrons, protons, and neutrons
d) Atoms combine to form compounds and molecules
The nucleus of an atom
a) is positive.
b) all of the above
c) contains neutrons and protons
d) is concentrated in the center of the atom.
Bohr's Model of the atom is comparable to
a) fan blades
b) all of the above
c) a beach ball on ocean waves
d) planets orbiting the sun
The modern model of the atom says
a) the electrons move in circles around the nucleus
b) Bohr was completely right.
c) atoms are solid spheres
d) we can only predict how likely it is an electron will be in a certain place.
The positive subatomic particle is the
a) proton
b) all are positive
c) electron
d) neutron
The negative subatomic particle is the
a) proton
b) none of the above
c) electron
d) neutron
The lightest subatomic particle is the
a) neutron
b) all have the same mass
c) electron
d) proton
Protons and neutrons
a) have the same charge
b) all of the above
c) move around the nucleus
d) have similar masses
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