WorksheetsChemical Bonding
Total questions: 25
Worksheet time: 15mins
Is H2O2 an element or a compound?
element
compound
An atom that gains or loses an electron becomes
an isotope
a new element
an ion
a molecule
How many valence electrons does Oxygen have?
0
16
6
8
What type of bond would be responsible for the formation of CaF2
covalent bond
ionic bond
metallic bond
all answers are correct
What is the charge of an aluminum ion that has 13 protons and 10 electrons?
3+
3 -
no charge
Valence electrons are
neutral (no charge)
found in the outer most energy level of the atom
equal to the number of protons
Most elements bond to create compounds because
their outer electron level is full
they are unstable
they are positively charged
The number of _____ is most important in determining how an atom will bond.
Neutrons
Protons
Valence Electrons
Electron sin the innermost shell
What type of compounds are soluble in Water
Ionic
Covalent
These compounds are relatively soft
Ionic
Covalent
Which bond does this picture best represent?
Metallic bond
ionic bond
covalent bond
James Bond
Predict the bond between Mg and Cl
covalent
ionic
metallic
none of the above
Which is the correct Lewis Structure for oxygen?
What is the correct Lewis structure for BF3?
BF3 (The formula is the Lewis Structure)
Which of the following types of elements can exist in monatomic form?
alkali metals
transition metals
halogens
noble gases
Which of the following types of elements can exist in nature as diatomic molecules?
alkali metals
transition metals
halogens
noble gases.
Ionic compounds are held together by
intermolecular forces
electrostatic forces
magnetic forces
nuclear forces
A compound that is a poor conductor and has low melting and boiling points is most likely
ionic
metallic
covalent
Which solid would be a good conductor?
sodium chloride
copper (II) sulfate
glucose
aluminum
