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What is the number of electrons in an atom of scandium?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
Which particle has the least mass?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
Which statement describes the structure of an atom?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
Which term is defined as the region in an atom where an electron is most likely to be located?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
In which type of reaction can two compounds exchange ions to form two different compounds?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
On the Periodic Table, the number of protons in an atom of an element is indicated by its
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
Which type of formula shows an element symbol for each atom and a line for each bond between atoms?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
What is conserved during all chemical reactions?
double replacement
The nucleus has a positive charge and is surrounded by negatively charged electrons.
21
orbital
atomic number
charge
structural
an electron
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