Physical Science - Molecules And Compounds Question Preview (ID: 45136)
Molecules And Compounds.
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What is the proper name for the ionic compound KCl?
a) potasside chloride
b) potassium chloride
c) potassium chlorine
d) potassium clorox
What is the proper name for the covalent compound B2Si?
a) diboron silicide
b) diboron silicon
c) boron disilicide
d) boron silicon
How many valence electrons does lithium have?
a) 1
b) 2
c) 3
d) 7
What is the mass for water (H2O)?
a) 17
b) 18
c) 10
d) 9
What is the formula for dinitrogen pentaoxide?
a) N5O2
b) N3O4
c) N2O
d) N2O5
What is the proper name for the covalent compound SCl4?
a) monosulfur tetrachloride
b) sulfide chloride
c) sulfur tetrachloride
d) sulfide tetrachlorine
In covalent bonds,
a) electrons are lost to other atoms
b) electrons are transferred from one atom to another
c) atoms share electrons
d) electrons are both shared and transferred between atoms
A Lewis dot diagram shows
a) the number of protons
b) the number of valence electrons
c) the total number of electrons
d) all of the energy levels
Polyatomic ions consists of
a) more than one type of atom
b) positive charges
c) a single atom
d) negative charges
In ionic bonds,
a) electrons are lost to other atoms
b) electrons are transferred from one atom to another
c) atoms share electrons
d) electrons are both shared and transferred between atoms
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