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Which of the following has more unpaired d-electrons:
(1) Zn+
(2) Fe2+
(3) N3+
(4) Cu+
Ans: Fe2+
Q. What do you mean by Isotopes? Isotopes and mass number although all atoms of an element have the same number of protons most elements have atoms with different numbers of ne
Atoms or group of atoms which are electrically charged are known: (1) Anions (2) Cations (3) Ions (4) Atoms Ans:
need an idea for chemistry project
diagonal relationship between boron and silicon
Vinegar, orange juice, and battery fluid are familiar acids. Different acids have different acid strengths. Some characteristics of acids are: They taste sour.
Q. Illustrate the descriptive analysis of Sensory method? Sensory methods may be used to quantify the perceived intensities of the sensory attributes of a product. The quantif
Which among the following species have the same number of electrons in its outermost as well as penultimate shell: (1) Mg 2+ (2) O 2-
What is the theoretical BOD of 1 liter of Coca-Cola. Assume all carbohydrates/sugars are sucrose. (Hint: use the Internet to find a label or look at a can. Be careful with serving
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
Preparation of benzaldehyde by etard''s reaction
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