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CombiningAtoms
AtomBasics
The PeriodicTable
It’sElementary
It Takes Two
Neutral particles that are formed when
electrons are shared by atoms rather than
being gained or lost
What are molecules?
Positively or negatively charged atom whose
charge results from the gain or loss of one or
more electrons
What is an ion?
The type of bond formed by the
attraction of positively charged ions for
negatively charged ions
What is an ionic bond?
The number of electrons in the outer energy level of most
stable atoms
What is eight?
The number of electrons that an atom gains, loses, or shares when bonding with
another atom
What is its oxidization number?
The positively charged particle in the nucleus
of an atom
What is the proton?
The uncharged particle in the nucleus
of an atom
What is the Neutron?
Orbits the nucleus of an atom in a cloud
What is an electron?
The release of high-energy particles by
radioactive elements
What is radioactivity?
This British scientist developed the Billiard ball model of the atom
in 1802
Who was John Dalton?
The number of electrons in an atom
with an atomic number of 5
What is 5?
The number neutrons in the nucleus of an
element with an atomic mass of 10.811, and an
atomic number of 5
What is 5.811?
The atomic mass of an element that has 30
protons and an average of 35.39
neutrons in its nucleus
What is 65.39?
The average number of neutrons in the nucleus of an atom that has an atomic
number of 28
What is 30.69?
Has an atomic mass of 222.017
What is Radon?
It has an atomic number of 1, an atomic mass of 1.00794 and its
symbol is H
What is Hydrogen?
It has an atomic number of 2, an atomic
number of 4.002602, and its symbol is He
What is Helium?
Its symbol is Au
What is Gold?
It has an atomic number of 80, an
atomic mass of 200.59, and its symbol is Hg
What is Mercury?
Its symbol is Ag
What is Silver?
1112 in base 10
What is seven?
101112 in base 10
What is twenty-three?
Nineteen in base 2
What is 100112?
1010102 in base 10
What is forty-two?
68 in base two
What is 10001002?
