Easa Module 2 Question

Module 02. Physics 1. Matter. suspense quash.1.An atom with 3 direct over electrons in its awayer tap out is express to be. cream A.pentavalent. weft B.covalent. choice C.trivalent. countersink reaction is.trivalent. Explanation.Number of electrons in the outer shell is called the valency - 1 = monovalent, 2 = divalent, 3 = trivalent etc. Question Number.2.What is the mass way out of an component?. option A.Number of electrons and protons. plectron B.Number of neutrons and protons. option C.Number of electrons and neutrons. class set is.Number of neutrons and protons. Explanation.NIL. Question Number.3.What do you get when you add 2H2 and O?. filling A.H2 O. weft B.2H2 O. excerpt C.2H2 O2 . Correct Answer is.2H2 O. Explanation.Water is molecules distributively do up of 2 hydrogen atoms and 1 oxygen atom. here ther is 4 hydrogen atoms, and 2 oxygen atoms, so we squirt make 2 water molecules. Question Number.4.The divide of a c hemical compound is called. Option A.bombardment. Option B.synthesis. Option C.analysis. Correct Answer is.analysis. Explanation.NIL. Question Number.5.What is the atomic bod of an element?. Option A.The fleck of neutrons in the atom. Option B.The number of electrons in the atom. Option C.The number of protons in the atom.

Correct Answer is.The number of protons in the atom. Explanation.NIL.http://en.wikipedia.org/wiki/Atomic_number Question Number.6.An atom with 5 free electrons is said to be. Option A.pentavalet. Option B.covalent. Option C.trivalent. Correct Answer is.trivalent. Explanation. The valency is the number of electrons in th! e outer shell if that number is 4 or less. If there are more than 4 electrons, the valency is 8 minus the number of electrons. In this oddball 8 -5 = 3 = trivalent. Question Number.7.An atom consists of. Option A.protons, neutron and electrons. Option B.protons and electrons. Option C.protons and neutrons. Correct Answer is....If you want to get a full essay, set out it on our website: OrderCustomPaper.com

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