BIOLOGY 1301 EXAM 1 QUESTIONS AND
CORRECT ANSWERS
Which cstatement cbest cdescribes cthe cdifference cbetween can celement cand ca
cmolecule? c-ANS✔✔An celement cis ccomposed cof conly cone ckind cof catom; cmolecules
ccan cbe ccomposed cof cmore cthan cone catom.
The creactivity cof catom carises cprimarily cfrom cthe c-ANS✔✔Existence cof cunpaired
celectrons cin cthe coutermost cshell.
Which ctype cof cbond cor cinteractions cbetween catoms cis cthe cstrongest? c-
ANS✔✔Covalent cbonds
Covalent cbond cformation cdepends con cthe cability cof catoms cto c-ANS✔✔Receive
celectrons cfrom cother catoms.
Table csalt, cNaCl, cis cneutral. cWhen cdissolved cin cwater, cNaCl c-ANS✔✔Dissociates
cto cform cNa+ cand cCl- cions cthat cinteract cwith cwater cmolecules.
An catom cthat ccontains cten cprotons cand cten celectrons cis clikely cto c-ANS✔✔be
cchemically cinert c(stable)
CORRECT ANSWERS
Which cstatement cbest cdescribes cthe cdifference cbetween can celement cand ca
cmolecule? c-ANS✔✔An celement cis ccomposed cof conly cone ckind cof catom; cmolecules
ccan cbe ccomposed cof cmore cthan cone catom.
The creactivity cof catom carises cprimarily cfrom cthe c-ANS✔✔Existence cof cunpaired
celectrons cin cthe coutermost cshell.
Which ctype cof cbond cor cinteractions cbetween catoms cis cthe cstrongest? c-
ANS✔✔Covalent cbonds
Covalent cbond cformation cdepends con cthe cability cof catoms cto c-ANS✔✔Receive
celectrons cfrom cother catoms.
Table csalt, cNaCl, cis cneutral. cWhen cdissolved cin cwater, cNaCl c-ANS✔✔Dissociates
cto cform cNa+ cand cCl- cions cthat cinteract cwith cwater cmolecules.
An catom cthat ccontains cten cprotons cand cten celectrons cis clikely cto c-ANS✔✔be
cchemically cinert c(stable)