important points of the chapter atoms and molecules?
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All matter are made up of 1 or more kind of elements.
The arrangement of proton electron and neutron
The concept of atomic mass and atomic number
The concept of isotopes
radio isotopes and its uses in the biology
The union of electrons in atom is chemical bond
The atoms try to fill the outer most shells with electrons when reacting with other elements
types of ions and ionic bonds
In covalent bond, the electrons are shared. and difference between polar and non polar covalent bond.
Hydrogen bonds and its details
The arrangement of proton electron and neutron
The concept of atomic mass and atomic number
The concept of isotopes
radio isotopes and its uses in the biology
The union of electrons in atom is chemical bond
The atoms try to fill the outer most shells with electrons when reacting with other elements
types of ions and ionic bonds
In covalent bond, the electrons are shared. and difference between polar and non polar covalent bond.
Hydrogen bonds and its details
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Explanation:
A carbon compound 'P' on heating with conc. H2SO4 forms another carbon compound 'Q' which on addition of hydrogen in the presence of nickel catalyst forms a saturated carbon compound 'R' on combustion forms two molecules of carbon dioxide and three molecules of water. Identify P, Q and R and write chemical equation for the reactions involved.how do germ-cells make a single set of genes from the normal two copies that all other cells in the body have ?eluded testube place in pure milk sinks to standard level M some water is mixed with the milk will the testube sinks more or less explain or give reason
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