HB Chemistry vocab

Question 1

anything that takes up space and has mass

Answer 1

matter

Question 2

energy that is doing work

Answer 2

kinetic energy

Question 3

energy that is stored

Answer 3

potential energy

Question 4

stored in the bonds of chemical substances

Answer 4

chemical energy

Question 5

movement of charged particles

Answer 5

electrical energy

Question 6

directly involved in moving matter ex. legs pedaling a bike

Answer 6

mechanical energy

Question 7

travels in waves ex. x rays, infrared

Answer 7

radiant energy

Question 8

substance that cannot be broken down into simpler substances

Answer 8

element

Question 9

building block of an element, smallest particle to retain it’s special properties

Answer 9

atom

Question 10

atoms with a positive charge

Answer 10

protons

Question 11

atoms with no charge

Answer 11

neutrons

Question 12

atoms with a negative charge

Answer 12

electrons

Question 13

two or more atoms combine chemically

Answer 13

molecules

Question 14

two or more different atoms bind together

Answer 14

compound

Question 15

when atoms combine or dissociate from other atoms

Answer 15

chemical reaction

Question 16

atoms outermost shell

Answer 16

valence shell

Question 17

when electrons are completely transferred from one atom to another

Answer 17

ionic bonds

Question 18

charged particles

Answer 18

ions

Question 19

sharing of electron pairs

Answer 19

convalent bonds

Question 20

weak bond between two molecules

Answer 20

hydrogen bonds

Question 21

multiple reactants that form one product

Answer 21

synthesis reactions

Question 22

the chemical reactions that happen after death

Answer 22

decomp reactions

Question 23

chemical reactions between two substances

Answer 23

exchange reactions