Font size
WorksheetsCompounds
Total questions: 20
Worksheet time: 13mins
Molecules:
are found in covalent compounds
are found in ionic compouds
The following properties are all characteristics of ionic compounds EXCEPT
solid at room temperature
malleable
form extended struture of ions
conduct electricity when dissolved in water
Which dissolved compound conducts electricity?
ionic compound
covalent compound
Is the following compound ionic or covalent?
A material with a high melting point
Ionic
Covalent
Is the following compound ionic or covalent?
Exists as a solid, liquid or gas
Ionic
Covalent
Is the following compound ionic or covalent?
A material that has a low boiling point
Ionic
Covalent
Is the following compound ionic or covalent?
A material that is hard and brittle
Ionic
Covalent
Which of the following is a property of an ionic compound?
high melting point
don't dissolve in water
malleable
liquid at room temperature
What properties does an ionic compound have?
A low boiling point and it conducts electricity when dissolved in water
A high melting point and it conducts electricity when dissolved
A high boiling point and it conducts electricity in sold state
Which of the following is true about covalent (non-polar) bonds? (select ALL true options)
High melting point
Low melting point
Can dissolve in water
Cannot dissolve in water
Can conduct electricity
What do we call a covalent bond where electrons are UNEVENLY or UNEQUALLY distributed
Ionic
Polar covalent
Nonpolar covalent
Molecule
Which statement best describes the a compound. Check all that apply.
atoms are the smallest unit of a compound.
the smallest unit of a compound is a molecule.
compounds are chemically different from the elements that compose them.
when atoms combine to form a molecule of a compound they become stable.
Which statement best describes the relationship between atoms & molecules.
molecules are made of atoms that are chemically bonded together.
atoms are made of molecules that are chemically bonded together.
molecules are made of a mixture of atoms and compounds.
atoms are made of protons, neutrons & electrons.
Ionic compounds form _____
ionic molecules
extended array struture
extended metallic structure
covalent networks
Water dissolves only
polar compounds
non polar compounds
ionic compounds
Both polar and ionic compounds
(a) molecules act like tiny magnets because they have unevenly distributed charges
Examples of polar compounds are (Choose all that applies)
Water
Sugar
Wax
Salt
Elements can form molecules and extended strutures just like compounds
True
False
