General Chemistry ACS Final Exam. Questions And Verified Answers

General Chemistry ACS Final Exam
Protons ANS: defines the element; positive charge; equal to the atomic number



Neutrons ANS: equal to mass number-number of protons; neutral charge



Electrons ANS: negative charge; dependent on the charge of the atom



Cations ANS: Positively charged ions



Anions ANS: Negatively charged ions



Isotopes ANS: when the number of neutrons varies but it has the same number of protons ex) Ne-20
and Ne-22`



Speed of light constant ANS: 3E8 m/s



Quantum number n ANS: size, n>1



Quantum number l ANS: shape, l=0 to (n-1)



Quantum number ml ANS: orientation, -l to +l



s orbital ANS: l=0, 1 orbital



p orbital ANS: l=1, 3 orbitals

, d orbital ANS: l=2, 5 orbitals



f orbital ANS: l=3, 7 orbitals



Nonmetallic character trend ANS: increases from left to right and bottom to top



Electron Affinity trend ANS: get more negative from left to right and bottom to top



Ionization Energy trend ANS: increases from left to right and bottom to top



Metallic Character trend ANS: gets more metallic from right to left and top to bottom



Atomic Radius trend ANS: increases from top to bottom and right to left



Naming molecular compounds ANS: prefix+1st element+prefix+base name of 2nd -ide



mono ANS: 1



di ANS: 2



tri ANS: 3



tetra ANS: 4



penta ANS: 5