How many valence electrons are in an atom of the element fluorine?
(1 point)
Responses
seven
seven
two
two
eight
eight
five
3 answers
seven
Which change is likely to happen to an atom of the element strontium (Sr) during bonding?
(1 point)
Responses
It will give up electrons, forming a positive ion.
It will give up electrons, forming a positive ion.
It will give up electrons, forming a negative ion.
It will give up electrons, forming a negative ion.
It will gain electrons, forming a positive ion.
It will gain electrons, forming a positive ion.
It will gain electrons, forming a negative ion.
(1 point)
Responses
It will give up electrons, forming a positive ion.
It will give up electrons, forming a positive ion.
It will give up electrons, forming a negative ion.
It will give up electrons, forming a negative ion.
It will gain electrons, forming a positive ion.
It will gain electrons, forming a positive ion.
It will gain electrons, forming a negative ion.
It will give up electrons, forming a positive ion.