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The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is:
(1) +1
(2) -2
(3) -1
(4)Zero
Ans: -1
aavart sarini ke liye koi trick hai kya?
what is electrovalent bond
The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
Preparation of benzaldehyde by etard''s reaction
Yes....because at boyles law....ideal gas equation is used and z=1 for PV=nRT
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Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
what groups comprise each block of element?
reactivity of f-block elements
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