Elemental Groups

Question 1

Alkali Metals

Answer 1

reacts violently with water, highly reactive

Question 2

Noble Gases

Answer 2

Also called inert gasses, colorless, odorless, tasteless, non-reactive, radon is radioactive,

Question 3

Alkaline Earth Metals

Answer 3

Used in fireworks, reactive in water

Question 4

Hydrogen

Answer 4

Most abundant element, highly flammable, colorless and odorless, combustible, used in fuel cells, no neutrons 1 electron and 1 proton

Question 5

Lathanide

Answer 5

burn in oxygen

Question 6

Actinide

Answer 6

all radioactive, reactive

Question 7

Non-metals

Answer 7

very little conduction or luster, exist only as gasses or solid.

Question 8

Metalloids

Answer 8

synthetic, radioactive, separates metals and non-metals, form alloys, poor conductors.

Question 9

Metals *p 33 in lab book

Answer 9

good conductor, malleable, ductile, high melting points, solid, shiny

Question 10

Halogens

Answer 10

Liquids, gases, and solids. Can be used in chlorine which kills germs. Poisonous Combines to make [ ]

Question 11

Exothermic

Answer 11

A release of energy. Usually in heat, light, or sound. Like a firework.

Question 12

Endothermic

Answer 12

A reaction in witch energy is absorbed.