A) consider the general valence electrons configuration of ns2np5, which stateme
ID: 907882 • Letter: A
Question
A) consider the general valence electrons configuration of ns2np5, which statements are true?
a. elements which this electron configuration are expected to form 1- anions
b. elements with this electron configuration are expected to have a large positive electron affinities
c. elements with this electron configuration are nonmetals
d. elements with this electron configuration form acidic oxides
B) Hydrogen is unique among elements because _____choose all correct answers.
a. it is not really a member of any particular group
b. it's electron is not at all shielded from its nucleus
c. it is the lightest
d. it is the only element to exist at room temperature as a diatomic gas
e. it exhibits some chemical properties similar to those groups 1 and 17
C) Which of the following reaction is associated with the first ionization energy of Fe?
a. Fe(g)+e- Fe-(g)
b. Fe(g)+e- Fe+(g)
c. Fe(g) Fe-(g)+e-
d. Fe(g) Fe+(g)+e-
D) order the following bonds from smallest to largest dipole: a. H-I b. H-Br c. H-Cl d. H-F
Explanation / Answer
A. (I) (III) (IV) are correct.
B. 1,2 3, 5 are correct
C. Fe(g) >>>> Fe+ (g) + e _ last option is the correct one .
D. HI < HBr < HCI < HF among hydrogen halides the dipole momemt decreases from flourine to iodine.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.