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WorksheetsChemical Bonding test
Total questions: 23
Worksheet time: 14mins
What is shared between two atoms in a covalent bond?
Energy
Electrons
Protons
Neutrons
Which type of elements primarily form covalent bonds?
Nonmetals
Alkalis
Metals
Metalloids
How many electrons are shared in a double covalent bond?
Four
Six
Two
Eight
In a covalent bond, what happens to the electrons?
They are shared between atoms
They become static
They are removed
Why do atoms form covalent bonds?
To become ions
To reduce their atomic number
To achieve a full outer electron shell
To lose electrons
In a covalent bond, how are electrons shared?
Transferred from one atom to another
Shared unevenly in all cases
Equally between atoms
Not shared at all
How are electrons treated in ionic bonding?
They are transferred
They are removed
They are unaffected
They are shared
Which elements typically form ionic bonds?
A metal and a metalloid
Two metals
A metal and a non-metal
Two non-metals
In an ionic bond, what charge does the atom that loses electrons obtain?
Negative
Positive
No charge change
What type of substances typically form covalent bonds?
Metals and non-metals
Noble gases
Non-metals
Metals
What does H-H represent in structural formula?
A double covalent bond
A hydrogen bond
A single covalent bond
An ionic bond
How many Valence Electrons are in oxygen?
6
2
4
8
Covalent bonds can form single, double, or...
quadruple
multiple
one
triple
What type of bond is show here?
covalent bond
ionic bond
kinetic bond
physical bond
What type of covalent bond is shown here?
double bond
triple bond
quadruple bond
single bond
Na₂O forms an ionic bond. What charge will oxygen have after bonding?
-2
-1
+2
+1
What kind of bond does O₂ have?
single covalent bond
double covalent bond
ionic bond
double ionic bond
When magnesium and fluoride form an ionic bond, which element has a positive charge?
oxygen
magnesium
fluoride
nitrogen
A _______________ is a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
physical bond
chemical bond
kinetic bond
potential bond
An atom that gains or loses an electron becomes
an isotope
a new element
an ion
a molecule
When an atom gains an electron it becomes
negatively charged
positively charged
neurtal
Valence electrons are
neutral (no charge)
found in the outer most energy level of the atom
equal to the number of protons
How many different elements are in the C6H12O6
3
6
12
24
