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WorksheetsCHEMICAL BONDS
Total questions: 40
Worksheet time: 21mins
What is the name given to the electrons in the highest occupied energy level of an atom?
orbital electrons
valence electrons
anions
cations
Which of the following occurs in an ionic bond?
Oppositely charged ions attract.
Two atoms share two electrons.
Two atoms share more than two electrons.
Like-charged ions attract.
What is the name of the ionic compound formed from lithium and bromine?
lithium bromine
lithium bromide
lithium bromium
lithium bromate
Which of the following pairs of elements is most likely to form an ionic compound?
magnesium and fluorine
nitrogen and sulfur
oxygen and chlorine
sodium and aluminum
Atoms losing electrons form
negative ions
positive ions
neutral atoms
isotopes
The charge of any ion depend upon the gain or loss of
electron
proton
neutron
neuclon
Metals and non-metals combine to give the electronic configuration of
alkalis
noble gases
metalloids
acids
Anions tend to have a __________ charge and cations tend to have a __________ charge.
positive, positive
negative, negative
positive, negative
negative, positive
Metals just like Na tend to __________ electrons and nonmetals like Cl tend to __________ electrons.
gain, gain
lose, lose
lose, gain
gain, gain
An ionic bond is a
Transfer of electrons
Pooling of electron
Sharing of electrons
Just losing electrons
What holds ionic bonds together is
Their love
The periodic table
ions with opposite charges
protons and neutrons
What are valence electrons
Fancy electrons
Electrons on the second level
Electrons on the first level
Electrons on the outermost energy level
What makes a positive ion?
Gaining electrons
Gaining protons
Losing electrons
Losing protons
How many covalent bonds does carbon form?
None, it does not form covalent bonds.
2
3
4
Atoms sometimes form bonds to
give away protons
become more stable
lose energy
give away neutrons
Oxygen atoms have six electrons in their outer shells. When 2 oxygen atoms bond they will form a ___ bond by ___ their electrons
ionic, transferring
covalent, sharing
ionic, sharing
covalent, transferring
Copper atoms are held together by _____ bonds.
ionic
covalent
electrostatic
metallic
A solid substance is soft, has a low melting point and is a poor conductor of electricity. The substance is most likely
an ionic solid
network solid
a metallic solid
a molecular solid
Large molecules such as polythene and polystyrene contains
ionic bonding
metallic bonding
covalent bonding
dative bonding
The bond which comes to existence due to sharing of electrons is known as
ionic bonding
covalent bonding
metallic bonding
dative bonding
Which pair of elements is most apt to form a molecular compound with each other?
aluminum, oxygen
magnesium, iodine
sulfur, fluorine
potassium, lithium
The result of an ionic bonding is an ionic compound with an overall neutral
charge, because the all the charges balance each other out.
TRUE
FALSE
The stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
TRUE
FALSE
Peptides and disulfide bonds are metallic in nature.
TRUE
FALSE
Water is an example of a polar covalent compound.
TRUE
FALSE
Metallic bond is a result of the outermost electron orbitals of the atoms overlapping each other.
TRUE
FALSE
The metal is held together by the attraction between the cations and these electrons.
TRUE
FALSE
The valence electrons are not attached to one atom but is shared amongst the atoms in a covalent bond.
TRUE
FALSE
The greater the charge, the weaker the force of attraction between the electrons and
cations.
TRUE
FALSE
The size of cation affects the strength of a metallic bond.
TRUE
FALSE
Nickel is used in batteries and making alloys such as stainless steel. It is an example of ________ compound.
ionic
covalent
metallic
Silver nitrate (AgNo3) is used for photography, inks and dyes. It is an example of ________ compound.
ionic
covalent
metallic
Diamond is an example of ________ compound.
ionic
covalent
metallic
Vinegar is composed of 5-8% volume by volume ethanoic acid (CH3 COOH) ( acetic acid )
diluted with water. Vinegar is an example of ________ compound.
ionic
covalent
metallic
Silver is used for coins, ornaments and jewelry. It is an example of ________ compound.
ionic
covalent
metallic
Silver nitrate (AgNo3) is used for photography, inks and dyes. It is an example of ________ compound.
ionic
covalent
metallic
Iron is used for manufacturing and civil engineering. It is an example of ________ compound.
ionic
covalent
metallic
Liquified Petroleum Gas is extracted from crude oil and natural gas and is made up of hydrocarbons containing 3 or 4 carbon atoms. It is an example of ________ compound.
ionic
covalent
metallic
Baking Soda: NaHCO3 (Sodium Bicarbonate) is an example of ________ compound.
ionic
covalent
metallic
Drain Cleaner: NaOH (Sodium Hydroxide) is an example of ________ compound.
ionic
covalent
metallic
