Font size
WorksheetsChapter 11 Test Review
Total questions: 45
Worksheet time: 34mins
Valence electrons are found
in the innermost energy level of an atom
in the middle energy levels of an atom
in the outermost energy levels of an atom
How do covalent bonds form?
By donating and receiving valence electrons between atoms.
Scientists still aren't sure.
Opposite slight charges attract each atom in the compound.
Sharing valence electrons between atoms
When an atom loses an electron, it becomes a
positive ion
negative ion
neutral ion
neutral atom
What would you name this molecule?
SNa3
H3O
NaCl
H2O
Which of these are an ion?
3 protons, 3 neutrons, 3 electrons.
8 protons, 8 neutrons, 8 electrons
2 protons, 3 neutrons, 2 electrons
6 protons, 6 neutrons, 7 electrons
How many valence electrons?
2
3
4
5
The following properties are all characteristics of ionic compounds EXCEPT
high melting and boiling points
soft
many dissolve in water
conducts electricity
Which of the following is not a property of metallic compounds?
conductors of thermal energy
can be hammered into thin sheets or wires
are shiny
dissolves in water
Why do all bonds form?
so the number of protons equals the number of electrons
so an atom can become unstable
to fill the outermost energy level
How does calcium become an calcium ion?
it loses 2 electrons
it gains 2 electrons
How many Aluminum atoms are in Al2O3?
3
5
2
1
Metals make _____ ions.
positive
negative
neutral
Nonmetals will make _____ions.
positive
negative
neutral
When an ionic bond is formed, electrons are _____.
gained
lost
shared
gained or lost
What is the goal of the Lewis Dot Structure?
To determine the electron position.
To show the element's valence electrons & bonding capabilities.
To find the atomic mass of an element.
To search for the number of electrons in an individual atom.
This number tells the number of atoms present.
Salt is what type of a bond?
metallic
ionic
covalent
A group of atoms held together by covalent bonding.
formula
molecule
polar bond
How many electrons can be placed in the the second energy level?
2
8
4
6
How many elements are on the periodic table?
100
96
120
118
Where is most of the mass found in an atom?
electrons
energy levels
nucleus
Noble gases are found in what group?
12
18
1
17
What model or formula represents a water molecule? More than one answer possible.
polar molecule
combination of symbols
particle in which electrons are shared unequally
atoms joined together by sharing electrons
positive ion
a charged atom that has lost one or more electrons
a charged atom that has gained on or more electrons.
negative ion
a charged atom that has lost one or more electrons
a charged atom that has gained one or more electrons
ionic bond
atoms joined together by sharing electrons
positive ion and negative ion joined together
covalent bond
atoms joined together by sharing electrons
positive ion and negative ion joined together
