Please enable JavaScript.
Coggle requires JavaScript to display documents.
Unit 3 : - Coggle Diagram
Unit 3 :
-
-
-
Atom
-
Electron cloud
Electrons
Molecule is a subtopic of electrons, as it refers to a group of atoms bonded together by shared electrons.
Element is a subtopic of molecule, as it refers to a pure substance composed of only one type of atom.
Symbol is a subtopic of element, as it refers to the abbreviation used to represent an element in the periodic table.
-
PROPERTIES
CHEMICAL PROPERTIES
REACTIVITY, COMBUSTIBILITY, OXIDATION STATE, TOXICITY, CORROSIVENESS,
ACIDITY/BASICITY,
ALKALI
KOH, Ca(OH)2, NH3, SOAP AND DETERGENTS, NaOH,
pH value greater than 7
has a bitter taste, is slippery, and acts as a proton acceptor.
ACID
HNO3, H2SO4, ACID RAIN, HCl,
pH value less than 7
has a sour taste, is corrosive, and acts as a proton donor.
-
PHYSICAL PROPERTIES
COLOR, ODOR, TEXTURE, DENSITY, MELTING/BOILING POINT, VISCOSITY, ELASTICITY
-
-