MATERIALS EXAM 1 WILEYPLUS
CONCEPT QUESTIONS AND ANSWERS
WITH VERIFIED SOLUTIONS 100%
CORRECT (GRADED A+)
What are the electrons that occupy the outermost filled shell called? -
ANSWER✔✔ Valence electrons
The atomic mass of an atom may be expressed as the sum of masses of -
ANSWER✔✔ Neutrons and Protons
Is the electron configuration given below for an inert gas, a halogen, an alkali
metal, and alkaline earth metal, or a transition metal?
1s²2s²2p⁶3s²3p⁶3d⁷4s² - ANSWER✔✔ Transition metal
What type(s) of bonding would be expected for brass (a copper-zinc alloy)? -
ANSWER✔✔ Metallic bonding
What are the electron configurations for the Fe³+ and S²- ions? - ANSWER✔✔
Fe³+:1s²2s²2p⁶3s²3p⁶3d⁵
S²-: 1s²2s²2p⁶3s²3p⁶
What is the predominant type of bonding for titanium (Ti)? - ANSWER✔✔
Metallic
What type of bonding is expected for aluminum phosphide (AIP)? - ANSWER✔✔
covalent
CONCEPT QUESTIONS AND ANSWERS
WITH VERIFIED SOLUTIONS 100%
CORRECT (GRADED A+)
What are the electrons that occupy the outermost filled shell called? -
ANSWER✔✔ Valence electrons
The atomic mass of an atom may be expressed as the sum of masses of -
ANSWER✔✔ Neutrons and Protons
Is the electron configuration given below for an inert gas, a halogen, an alkali
metal, and alkaline earth metal, or a transition metal?
1s²2s²2p⁶3s²3p⁶3d⁷4s² - ANSWER✔✔ Transition metal
What type(s) of bonding would be expected for brass (a copper-zinc alloy)? -
ANSWER✔✔ Metallic bonding
What are the electron configurations for the Fe³+ and S²- ions? - ANSWER✔✔
Fe³+:1s²2s²2p⁶3s²3p⁶3d⁵
S²-: 1s²2s²2p⁶3s²3p⁶
What is the predominant type of bonding for titanium (Ti)? - ANSWER✔✔
Metallic
What type of bonding is expected for aluminum phosphide (AIP)? - ANSWER✔✔
covalent
