Elements And Atoms Question Preview (ID: 40645)
Elements And Atoms.
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The smallest part of an element that can be identified as that element is
a) a nucleus
b) an atom
c) an isotope
d) a proton
A material that can easily be hammered into different shapes
a) has luster
b) is malleable
c) is ductile
d) is brittle
Of the following elements, the one that is not an example of a noble gas is
a) neon
b) argon
c) oxygen
d) radon
All atoms of the same element have the same
a) atomic number
b) atomic mass
c) number of neutrons
d) shape
The first person to suggest the existence of atoms was
a) Dalton
b) Rutherford
c) Bohr
d) Democritus
A positively charged particle is
a) an electron
b) a neutron
c) a proton
d) an isotope
The element with the smallest atomic number is
a) helium
b) carbon
c) nitrogen
d) hydrogen
Atoms of the same element that have different atomic masses are
a) protons
b) electrons
c) isotopes
d) neutrons
The energy levels of an atom contain
a) protons
b) electrons
c) neutrons
d) protons and neutrons
Atoms are made up of
a) electrons
b) protons
c) neutrons
d) electrons, protons, and neutrons
Of the following particles, those not found in the nucleus of an atom are
a) protons
b) neutrons
c) electrons
d) protons and neutrons
The second energy level of an atom can hold
a) 32 electrons
b) 8 electrons
c) 16 electrons
d) 2 electrons
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