Physical Science - Molecules And Compounds Question Preview (ID: 45136)


Molecules And Compounds. TEACHERS: click here for quick copy question ID numbers.

Polyatomic ions consists of
a) more than one type of atom
b) positive charges
c) a single atom
d) negative charges

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

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

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

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 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

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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