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The mass of a proton is approximately equal to the mass of
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
Elements that have atoms with stable valence electron configurations in the ground state are found in
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
An atom of which element has the strongest attraction for the electrons in a bond?
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
A magnesium atom that loses two electrons becomes a
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
Which phrase describes an Al atom?
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
What is the number of electrons in an atom that has 20 protons and 17 neutrons?
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
Compared to an atom of C-12, an atom of C-14 has a greater
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
Which type of matter can not be broken down into simpler substances by a chemical change?
positive ion with a smaller radius
20
a neutron
chlorine
mass number
a positively charged nucleus, surrounded by negatively charged electrons
an element
Group 18
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