Write the chemical symbols for the following moieties (things) Note: these are m
ID: 142425 • Letter: W
Question
Write the chemical symbols for the following moieties (things)Note: these are molecular formulae, not drawings, so far these molecules you will not indicate covalent bonds with lines.
A) One atom of sodium (Na) and one atom of chlorine (CID) YO1OE B) MIT One atom of calcium (Ca) and two atoms of chlorine (C) SSTAHD C) One atom of oxygen (O) and two atoms of hydrogen (H) biarbel D)on o One atom of carbon (C) and four atoms of hydrogen (H) E) Two atoms of carbon (C) and two atoms of hydrogen (H) F)A chlorine atom that has gained an electron G) A sodium atom that has lost an electron H) One atom of oxygen and one atom of hydrogen, with Iezodus o' an "extra" electron 9lorm onimA I) One atom of nitrogen and three atoms of hydrogen, missing a single electron
Explanation / Answer
Chemical symbol is notation representing a chemical element
A. NaCl , Its sodium chloride
B. CaCl2 its calcium chloride
C. H2O, its water
D. CH4 its methane
E. C2H2, its acetylene
F. Cl- any atom when gains an electron becomes anion and have negative charge.
G. Na+, any atom when lose an electron it becomes cation and have positive charge. neutral sodium atom has 11 proton and 11 electron. by removing an electron from sodium we get positively charged Na+ ion with net charge of +1.
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