Section 1 science

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

valence electrons

Answer 3

an electon that is found in the outermost shell of an atom and that determines the atoms chemical properties.

Question 4

ionic bond

Answer 4

a bond that forms when electrons are transfered from one atom to another, which results in a posotive 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 electron

Question 6

crystal lattice

Answer 6

the regular pattern in which a crystal is arranged

Question 7

covelant bond

Answer 7

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

Question 8

molecules

Answer 8

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

Question 9

mettalic bond

Answer 9

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

Question 10

CHemical reaction

Answer 10

A cheical reacton

Question 11

decomposition reaction

Answer 11

displacement reaction

Question 12

single displacment reactio

Answer 12

single displacement reaction.

Question 13

double displacement reaction

Answer 13

a double reaction

Question 14

exothermic reaction

Answer 14

a exothermic reaction

Question 15

enodthermic reaction

Answer 15

emdothermic reaction

Question 16

law of conserved enerygy

Answer 16

law of conserved energy

Question 17

activation enrgy.

Answer 17

actiovctional energy