Metals Non-Metals and Metalloids
Mr. JohnstonSaigon South International School
Vocabulary Slam
Objectives
● What are the properties of Non-Metals?● What are the families containing Non-
Metals?
Vocabulary● Non-metal● Diatomic Molecule● Halogen● Noble Gas● Metalloid● Semiconductor
Metals Vs. Non-Metals
● Shiny● Malleable● Good Conductors of
Heat● Good Conductors of
Electricity
● Dull● Brittle● Poor Conductors of
Heat● Poor Conductors of
Electricity
Families Containing Non Metals
Carbon FamilyNitrogen FamilyOxygen FamilyHalogen FamilyNoble GasesHydrogen
Carbon Family
● Group 14● Proteins, DNA, Fats all
contain carbon● High yield fuels
contain Carbon● Diamonds are pure
Carbon
Nitrogen Family● Group 15● N and P● Diatomic Molecule- N2● 78 percent of earth’s
atmosphere● All living things need nitrogen,
most unable to get from air. ● Certain bacteria can use N
from air and transfer to soil● Source of fertilizer
Oxygen Family● Group 16● O, S, Se● Oxygen a gas at room temp,
others solids● Oxygen is diatomic molecule● O is relatively reactive● Oxygen breathed in and
exchanges cell gases● Sulfer-rotten egg smell● Sulfer used in rubber, and tires
Halogen Family● Group 17● F, Cl, Br, I , At-(rare)● Very reactive● Fluorine:so reactive it reacts
with almost all substances, even water
● Chlorine gas is dangerous-used for killing bacteria
● Fluorine compounds make up toothpaste, non-stick pans
Noble Gases ● Group 18● Do not usually form
compounds as atoms don’t gain or lose electrons
● Usually non-reactive● Floating balloons-Helium● Glowing lights-Neon, Argon,
krypton, Xenon
Hydrogen● Group 1● Makes up more than 90
percent of atoms in universe● H makes up less than 1
percent of earth’s crust, oceans, atmosphere
● Most hydrogen combined with Oxygen in water
● Rarely found as pure element
Metalloids● Group 5-8● Some properties of metals,
some of non-metals● All are solid at room
temperature● Brittle, hard and somewhat
reactive● Most common-Sand = Si
SiO2 (Also glass)● Most useful property-conducts
electricity