science vocab 8th grade

What is The electrons in the outermost energy level of an

atom that influence how an element will react with

What are the rows in a periodic table called that classify the elements by the number of electron shells?

What is Non Reactive nonmetals in Group 18 of the periodic

table

what are Elements that have properties of both metals and

nonmetals; sometimes referred to as semiconductors

what are The columns on a periodic table that arrange the

elements by the number of electrons that are in

the outermost shell; also called families

what is A pure substance composed of the same type of

atom throughout

what is The area surrounding the nucleus of an atom

where the electrons are found

what is The number of protons in the nucleus of one

atom of an element

what are Atoms that acquire an overall net charge as a result

of the loss or gain of electrons

Elements that are typically solid, shiny, malleable,

and good conductors of heat and electricity;

includes most elements