Periodic Table Flashcards
What the smallest part of material is is called?
atom
Defenition of Element
a substance that contains only one type of atom
The test and result of Hydrogen gas is
a lit splint goes out with a squeaky pop
The test and result for oxygen gas
a glowing slint relights
the test and result for carbon dioxide gas is
limewater turns milky/cloudy
How many elements in periodic table
118
State the definition of compound
two or more different atoms ,chemically joined together
The rules of ide and ate
Example : Carbon+oxygen=carbon dioxide Carbon+oxygen+nitrogen=carbon nitride Oxygen-with 2=ide Oxygen with 3=ate
Defenition of mixture
Two or more different substances combined together but not chemically joined
Know what all this properties are
Tasteless Oxidising Conductor electricity Conductor heat Insulator Ductile Toxicity Corrosive Boiling point Reactive Strength Atomic radius Density Magnetism Slippery Odourless Flammability Melting
Properties in compound different of properties in elements
Example :
Carbon is ordorless+ oxygen is corrosive = carbon dioxide is not odorless neither corrosive
A common substances as elements,compounds or mixtures
Water,air ,earth etc
