Physical Science Question Preview (ID: 11801)
Introduction To The Periodic Table.
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The period an element is located on tells us?
a) protons
b) neutrons
c) number of rings or energy levels
d) valence electrons
Which particle has a negative charge?
a) proton
b) nucleus
c) electron
d) neutron
Which scientist discovered the electron?
a) Bohr
b) Democratis
c) Dalton
d) Thomson
The nucleus contains:
a) protons and electrons
b) protons, neutrons, and electrons
c) protons and neutrons
d) neutrons and electrons
The group an element is located in tells us:
a) rings or energy levels
b) valence electrons
c) electrons in the inner levels
d) protons
Which particle has no charge?
a) Proton
b) Nucleus
c) Electron
d) Neutron
Which of the following has the least mass?
a) Nucleus
b) Electron
c) Neutron
d) Proton
An atom of carbon with 6 protons, 6 electrons, and 6 neutrons would have a mass of:
a) 6
b) 15
c) 12
d) 18
Where are electrons likely to be found?
a) the nucleus
b) energy levels
c) mixed throughout an atom
d) electron clouds
What is the meaning of the word atom
a) dividable
b) not able to be devided
c) hard particles
d) invisible
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