
____________________ is an outermost electron of an atom that participates in chemical bonding.
___________________is a table of the chemical elements arranged in order of increasing atomic number and atomic structure.
___________________is a force that holds two or more atoms together.
____________________ is a chemical bond formed when two atoms share one or more pairs of valence electrons.
Use the key below to identify each of three main groups on the periodic table above.
__________________ two or more different kinds of atoms joined by a chemical bond
__________________ two or more atoms joined together
__________________________ model that shows valence electrons as dots around the element’s symbol.
__________________ a chemical bond when two or more electrons are transferred or the attraction between positive and negatively charged ions.
Answer #14-18
Answer #19-23
Answer #24-28
Answer# 29-33
Answer #34-38
Answer #39-41
Which of these is the correct Bohr model for Oxygen?
Answer #43-45
Which of these is correct Bohr model for Hydrogen?