WorksheetsSPS2. Atomic Bonding and Compounds
Total questions: 38
Worksheet time: 22mins
Which of the following BEST explains why atoms bond?
Atoms bond to make new substances.
Atoms bond to become less chemically stable.
Atoms bond to change from a liquid to a solid
Atoms bond to become more chemically stable.
Which of the following are most directly involved in chemical bonding?
protons
neutrons
alpha particles
valence electrons
Based on the location of the elements Aluminum (Al) and Oxygen (O) in the Periodic Table, which is a characteristic of the compound Al2O3?
It has a high melting point.
It is formed by covalent bonds.
It is a gas at room temperature.
It does not conduct electricity when dissolved in water.
Which of the following statements accurately compares the boiling and melting points of ionic and covalent compounds?
Ionic compounds generally have higher boiling and melting points than covalent compounds due to strong electrostatic forces between ions.
Covalent compounds have higher boiling and melting points because they are composed of a network of tightly bonded ions.
Ionic compounds and covalent compounds have similar boiling and melting points because both rely on intermolecular forces.
Covalent compounds have higher boiling and melting points because the bonds between molecules are stronger than ionic bonds.
When cations and anions join, they form what kind of chemical bond?
ionic
covalent
hydrogen
metallic
What is the formula for a stable binary ionic compound formed between sodium and chlorine?
NaCl2
NaCl3
Na2Cl
NaCl
Use IUPAC nomenclature rules to properly identify this compound: K2O
potassium oxide
dipotassium oxide
potassium (I) oxide
dipdipotassium monoxide
Carbon Tetrafluoride
C4F
CF
C4F4
CF4
What is the correct chemical formula for dihydrogen monoxide?
2H1O
H2O
H2O2
2H2O
Which of the following formula and chemical name combinations is correctly shown?
Sr3P2: Strontium Phosphide
CH4: Carbon tetrahydride
N2S4Dinitrogen Pentasulfide
KBr: Monopotassium monobromide
What is the chemical name for a compound with the formula AlF3?
Aluminum trifluoride
Monaluminum trifluoride
Aluminum fluoride
Aluminum fluoriumide
What is the correct chemical formula for dinitrogen monoxide?
N2O
N2O2
N3O
N2O3
When potassium (K+) & iodine (I-1) combine in an ionic bond, the resulting formula will be
KI
K2I
KI2
K2I2
What type of bond is formed by the transfer of electrons from one atom to another?
Covalent bond
Metallic bond
Ionic bond
Hydrogen bond
What part of the atom is involved in bonding?
Protons
Neutrons
All electrons
Valence electrons
What type of bond is formed when two atoms share electrons?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
When an atom gains electrons, it becomes a
positive ion
negative ion
neutral ion
neutral atom
Magnesium bromide is an ionic compound with the chemical formula MgBr₂. What does the "2" tell you?
There are 2 bromide ions for every magnesium ion
Bromide has a 2- charge
Bromide has a 2+ charge
There are 2 magnesium ions to every bromide ion
In the chemical formula for an ionic compound, which item is written first?
positive ion
negative ion
subscript
atomic number
Which is the correct name for CaBr2?
Calcium Bromine
Bromine Calcium
Calcium Bromide
Carbon and Bromine
What two types of atoms make a covalent bond?
2 Nonmetals
1 Nonmetal and 1 Metal
2 Metals
2 Noble Gases
What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?
Ionic
Polar
Nonpolar
Semi-covalent
If Sodium and Chlorine were to bond, they would create a:
Ionic compound
Covalent compound
Metallic compound
The chemical formula for Magnesium and Fluorine bonding would be:
Mg2F
MgF
MgF2
They wouldn't bond.
Ionic bonds could be best described as:
A bond formed when 2 atoms share electrons
A firm handshake
An electrostatic attraction between oppositely charged ions
An electrostatic attraction between anions
What set of elements is most likely to form a covalent compound?
Na and O
Na and K
O and C
Which set of elements is most likely to form an ionic compound?
Na and O
C and O
Na and K
Are usually hard and brittle.
metallic compounds
is a bond between a metal and a non-metal
ionic
covalent
metallic
contains cations AND anions
ionic
covalent
metallic
CAN conduct electricity when dissolved in water
ionic
covalent
metallic
What properties does an ionic compound have?
A low boiling point and it conducts electricity when dissolved in water
A high melting and it conducts electricity when liquid
A high boiling point and it conducts electricity when solid
Why do ionic compounds have high melting and boiling points?
Their ions are free to move.
Their ions are held in fixed positions.
They have many strong bonds.
They have many weak bonds.
Which of the following are properties of a covalently-bonded compound? (Choose all that apply.)
Low melting point
High boiling point
Generally insoluble/immiscible in water.
Electrical conductivity when dissolved in water
Generally soft and flexible
