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WorksheetsChemical Bonding Review
Total questions: 28
Worksheet time: 51mins
What is a covalent bond?
A positively or negatively charged particle.
covalent bond
ion
oxidation number
subscript
A chemical bond between oppositely charged ions.
Covalent bonds
Ionic Bonds
Ion
Compound
What happens during an ionic bond?
Valence electrons transferred between atoms
Core electrons transferred between atoms
Protons are transferred between atoms
Neutrons are transferred between atoms
An ion that is negative is called a ____________________.
polar ion
nonpolar ion
anion
cation
An ion that is positively charged is called a ________________.
polar ion
cation
anion
positive ion
Electrons in the inner-most shell.
Electrons in the outer-most energy level.
Electron that became a beta particle.
Electrons involved in bonding.
Which elements only need two valence electrons to be stable?
Hydrogen, Lithium and Helium
Hydrogen, Lithium and Neon
Hydrogen, Copper and Iron
How do ions form?
Atoms gain or lose electrons to fill the valence shell.
Atoms like cats so they become "pawww-sitive".
Atoms gain or lose electrons to change their atomic mass.
Atoms gain or lose electrons to match the number of neutrons.
If an element gives away an electron, will it form a positive ion or a negative ion?
Positive.
Neutral
Negative.
How many valence electrons do most atoms need to be chemically stable?
What type of bond forms when the atoms in a molecule don't share electrons equally?
Polar Covalent
Nonpolar Covalent
Ionic
Metallic
What type of bond is illustrated in this image?
Metallic
Ionic
Covalent
James
Mg and O will form what type of bond?
ionic
covalent
metallic
nonpolar
Predict the bond that will form between H and Cl.
Ionic
Covalent
Metallic
Properties of _____ bonds include low melting points, poor conductivity.
Covalent
Ionic
Metallic
Which of the following is a compound
CO2
NaCl
H2
Both A and B
What type of bonds hold molecules together?
ionic
covalent
metallic
In water, hydrogen bonds hold together
a slightly + hydrogen atom and slightly - oxygen atom in different water molecules.
hydrogen atoms in the same water molecule.
a slightly - hydrogen atom and slightly + oxygen atom in different water molecules.
hydrogen atoms in different water molecules.
_____ covalent compounds have a partial negative charge on one side and a partial positive charge on the other side.
nonpolar
polar
neutral
In a water molecule, oxygen has a stronger pull on the shared electrons so the oxygen side of the molecule has a slightly _____ charge and the hydrogen side has a slightly _______ charge.
positive, negative
negative, positive
negative, neutral
A _______ is the force that holds atoms together in a compound.
Chemical Formula
Chemical Reaction
Chemical Bond
Synthesis Reaction
Which of the following is NOT a covalent bond?
K2S
H2O
I2
CO2
Which of the following is NOT an ionic bond?
NH3
KCl
K3N
NaCl
