Biology Book Report CHP 2 ATOMS, MOLECULES AND BONDS Define element, atom, compound, molecule, and mark element. ELEMENT: a cognitive content that cannot be broken quite a little to other substances by chemical reactions. COMPOUND: a substance consisting of two or more elements combined in a fixed ratio. MOLECULE: two or more atoms held unitedly by covalent bonds TRACE ELEMENTS: those required by an being in only minute quantities. Give the majority, charge, and location of apiece sub-atomic particle. NEUTRON: Mass= 1 Dalton or 1.009 grams or 1.7 x 10-24 pull down= neutral localization=Center of the atom PROTON: Mass= 1 Dalton or 1.007 grams or 1.
7 x 10-24 Charge= positive Location= Center of the atom ELECTRON: Mass= we ignore the softwood of an electron Charge=negative Location=moving nigh at the speed of light, electrons form a cloud approximately the nucleus. Define and use atomic number and atomic mass number. ATOMIC NUMBER: the number of protons in an element. Is written...If you want to compress a full essay, order it on our website:
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