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Number of protons, neutrons and electrons in the element 231/89 y is: (1) 89, 231, 89 (2) 89, 89, 242 (3) 89, 142, 89 (4) 89, 71, 89 Ans: 89, 142, 89
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
Define The Phase Rule and Phase Diagrams? We encountered the Gibbs phase rule and phase diagrams in connection with single-substance systems. The present chapter derives the fu
metal A was determined to be 95%extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution
synthesis of 2-amino,5-methyl phenol from mono substituted benzene?
second objection of kekule struture
Define the Elements of a galvanic cell? We will treat a galvanic cell as a system. The cell has two metal wires called terminals that pass through the system boundary. Within t
how do you calculate the mass atomic number of an element?
General Organic Chemistry Carbon is an necessary element of organic substance; it has four electrons in its outer most shell. As per to the ground state electronic arrangeme
synthesis, posted date 1/12/2013 7;26;41 pm\location ;austeralia
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