eighth grade chap one science vocab

Question 1

chemical bonding

Answer 1

the combining of atoms to form molecules or ionic compounds

Question 2

chemical bond

Answer 2

an interaction that holds atoms or ions together

Question 3

valance electron

Answer 3

an electron that is found in the outermost shell of an atom and thaty determines the atoms chemical properties

Question 4

ionic bond

Answer 4

a bond that forms when electrons are transferred form one atom to another which results in a postive ion and a negative ion

Question 5

ion

Answer 5

a charged particle that forms when an atom or group of atoms gains or loses one or more electrons

Question 6

crystal lattice

Answer 6

the regular pattern in which a crystal is arranged

Question 7

covalent

Answer 7

a bond formed when atoms share one or more pairs of electrons

Question 8

molecule

Answer 8

the smallest unit of a substance that keeps all of the physical and chemical properties of an substance

Question 9

metallic bond

Answer 9

a bond formed by the attraction between positively charged metal ions and the electrons around them