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polar covalent bond
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Personal Information
Organização/Local de trabalho
Karachi, Pakistan
Marcadores
saliha rais
sneeze
diaphragm
lungs
alveoli
bronchioles
bronchi
trachea
mouth
nose
pharynx
larynx
nasal cavity
respiratory system
respiration
breathing
polar covalent bond
triple covalent
non polar covalent bond
electrovalent bond.
double covalent
characteristics of ionic compounds
single covalent bond
types of covalent bond
characteristics of covalent compounds
ionic character in covalent bonds
bonds
bonding
ionic bond
chemical bond
covalent bond
electron affinity
properties of periodic table
periodicity
electronegativity.
atomic radii
ionization energy
class ix chemistry
law of reciprocal proportions
law of indestructibility of matter
class 9
law of conservation of mass
laws of chemical combinations
law of constant composition
chemical combinations
law of definite proportion
difference between inhalation and exhalation
parts of respiratory system
inhalation
exhalation
cough
air flow path
hiccup.
epiglottis
functions of respiratory system
class 5
first class lever
third class lever
examples of lever
second class lever
soft hard and heavy water
physics
abdul qadeer khan
chemistry
famous scientists
geology
astronomy
biology
cell organelles
vacuole
cell-wall.
nucleus
cell sap
starch grain
cytoplasm
cell membrane
chromosomes
chloroplast
branches of science
technology
science
heavy water
hygroscopic substances.
methods to remove temporary hardness
permanent hardness of water
temporary hardness of water
methods to remove permanent hardness
hardness in water
soft water
hard water
movement magnifiers.
simple machines
force magnifiers
levers
Ver mais