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The unit for atomic mass is
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
At room temperature, none of the metals are
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
The atomic mass of an element is
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
A member of the boron family has three valence electrons, while a member of the nitrogen family has
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
Which element is found in most of the compounds in your body except for water
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
Moving from left to right across a row of the periodic table, which of the following values increases by exactly one from element to element
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
Which of the following gases emit colors when an electric current is applied?
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
Compared with Group 2A elements, group 6A elements have
argon and krypton
5
amu
more valence electrons
atomic number
gases
a weighted average of the masses of an element's isotopes
carbon
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