Science Lesson 1

Question 1

energy level or shell

Answer 1

area of space an electron travels around the nucleus

Question 2

metals

Answer 2

good electrical conductors, because hold onto valence electrons very tightly

Question 3

chemical bond

Answer 3

force that holds atoms together

Question 4

compound

Answer 4

material that is made up of two or more different kinds of atoms joined by chemical bonds

Question 5

electron dot diagram

Answer 5

a model that represents the number of valence electrons in an atom as dots around the element’s chemical symbol

Question 6

valence electrons

Answer 6

outermost electron of an atom and participates is chemical bonding

Question 7

The number of valence electrons in an atom tells you how many ___ an atom can form

Answer 7

bonds