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You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively: (1) Heisenberg, de Broglie (2) de-Broglie, Heisenberg
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Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom: (1) F - (2) Oxygen atom (
what is inductomeric
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
introduction of chemical bond
A 10L helium balloon at a pressure of two bar at 27C. Some O 2 is now inside in balloon and final volume is made 30L. the pressure also fell to 1 bar at similar temperature. the p
The isomerim exhibited by the compounds having the same molucular formula but they having different functional groups is called functional group isomerism.For example C 3 H 6 O c
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