Section 2 Periodic Table

Question 1

rows in the periodic table (horizontal)

Answer 1

period

Question 2

columns in the periodic table

Answer 2

group

Question 3

elements within a group that have the same number of valence electrons

Answer 3

family

Question 4

atoms that tend to lose electrons (give away), good conductors

Answer 4

metal

Question 5

gains electrons, poor conductors

Answer 5

non-metals

Question 6

shiny like metals, semi-conductors

Answer 6

metalloids

Question 7

scientific law that states matter can neither be created nor destroyed

Answer 7

law of conservation of mass

Question 8

indicates the ratio of chemicals that participate in a reaction; written before the chemical formula

Answer 8

coefficient

Question 9

numbers written below the line and indicate the ratio of atoms in a compound

Answer 9

subscripts

Question 10

a measure of the average kinetic energy per particle of matter

Answer 10

temperature

Question 11

thermal energy that is transferred from one substance to another

Answer 11

heat

Question 12

the total kinetic energy of all that particles that make up the gas

Answer 12

thermal energy

Question 13

the process by which a liquid turns into a gas

Answer 13

evaporation

Question 14

a process that occurs when particles in the gas phase no longer have sufficient energy to overcome attractive forces between them and turn into liquid

Answer 14

condensation

Question 15

a change from one state to another

Answer 15

phase change

Question 16

the process of turning from a solid into a liquid

Answer 16

melting

Question 17

process that occurs when a liquid turns into a solid

Answer 17

freezing