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Chemistry

CH. 4 d

QuestionAnswer
The name of the compound with the formula AlCl3 is A) aluminum trichloride. B) aluminum chloride. C) monoaluminum trichlorine. D) aluminum(III) chloride. B
HCl, chlorine end of the molecule is more negativehydrogen end chlorine is more electronegative than hydr hydrogen and chlorine have the same electronegativity. hydrogen transfers an electron to chlorine. hydrogen is more electronegative than chlorine. A
How many phosphorus atoms are in the formula for potassium dihydrogen phosphate? A) 4 B) 2 C) 3 D) 1 D
A lone pair of electrons A) occupies the same volume as a bonding pair. B) will cause the bond angles to be larger. C) occupies a smaller volume than a bonding pair. D) occupies a larger volume than a bonding pair. D
Which is the electron dot structure of nitrogen? 65) A) B) C) D C
For which atom is it difficult to predict the most probable ionic charge using the periodic table? A) Co B) Na C) Cl D) Al A
An ionic bond is formed when electrons are A) transferred. B) shared. C) destroyed. D) split. A
For which atom is it difficult to predict the most probable ionic charge using the periodic table? A) N B) S C) Br D) Fe D
The electron dot formula for carbon monoxide, CO, is 69) A) B) C) D) C
When two chlorine atoms combine with each other, the bond that forms is A) ionic. B) ionic covalent. C) polar covalent. D) nonpolar covalent D
A chloride ion, Cl- has the same electron configuration as a(n) A) sodium atom. B) neon atom. C) chlorine atom. D) argon atom. D
Which substance has ionic bonds? A) KBr B) NH3 C) Cl2 D) H2O A
Which substance has covalent bonds? 73) A) CO2 B) NaCl C) LiCl D) MgBr2 A
Hydrogen and sulfur react to form 74) A) HS2. B) HS. C) H4S2. D) H2S. D
With respect to chemical bonding, which particles play the most active role? 75) A) protons B) valence electrons C) core electrons D) neutrons B
Which term fits this definition? A measure of the tendency of an atom in a molecule to attract a shared pair of electrons to itself. 76) A) ionization B) polar C) electronegativity D) nonbonding C
Chlorine forms monatomic ions with a charge of 77) A) 1-. B) 2+. C) 2-. D) 1+. A
How many nitrogen atoms are in the formula for magnesium nitride? 78) A) 4 B) 2 C) 1 D) 3 B
The shape of a water molecule is 79) A) bent. B) linear. C) unknown. D) tetrahedral. A
Which substance has ionic bonds? 80) A) H2O B) CaO C) OF2 D) O2 7 B
Created by: zjoss012
 

 



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