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how do i make a first class in chemistry, secondly in nigeria chemistry is based on too much theory. how do i make it in this case?
What is meant by ''mass number''
The extraction of sodium metal
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
Nuclei contain uncharged neutrons and positively charged protons; these two particles with about the same mass are known as nucleons. The number of protons is the atomic number of
electronic vinyas of led
what is cause of chemical combination?
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
How many electron have br+ Neutral Br, being in Group 7A, has 7 valence electrons; therefore, Br+ has 6.
advantages and dis advantages
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