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The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is: (1) 7 (2) 6 (3) 5 (4) 3 Ans: 7
what is the colour of the residue for nickel in charcoal cavity test
Write the neutral calcium atom has a number The neutral calcium atom has a number of valence electrons euivalent to its group number, that is 2.
what is the relation between gram atomic mass and avogadro''s no ?
explain the bonding and structure in transition metal carbonyls
Q. What do you mean by nucleus of the atom? The nucleus of an atom for the reason that atoms have no net electrical charge scientists reasoned that if an atom contains particle
The device through which chemical energy is converted into electrical energy is known as galvanic cell or electrochemical cell or voltaic cell. In a galvanic cell, a redox reaction
Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e
Why the density of carbonylcompounds is as same as water?
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
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