WorksheetsChapter 3 Chemical bonding
Total questions: 11
Worksheet time: 8mins
Which of the following elements are metal elements?
sodium, Na
aluminium, Al
chlorine, Cl
oxygen, O
Which one the following substances is ionic compound?
carbon monoxide, CO
water, H2O
lithium oxide, Li2O
oxygen gas, O2
Non-metal elements always (a) electrons to form negative ions.
Positive ion is also called __________.
anion
cation
dogion
Choose the typical properties of ionic compounds.
hard and brittle
high melting point and boiling point
solid at room temperature
conduct electricity when dissolve in water
Ionic bonding involves electron transfer.
Covalent bonding involves electron (a) .
Choose the typical properties of simple covalent compounds.
volatile
high melting point and boiling point
gas or liquid at room temperature
conduct electricity
Which of the following elements are non-metal elements?
sodium, Na
aluminium, Al
chlorine, Cl
oxygen, O
Which one the following substances is covalent compound?
carbon monoxide, CO
limestone, CaCO3
lithium oxide, Li2O
Magnesium oxide, MgO
Negative ion is also called __________.
anion
cation
dogion
Metal elements always (a) electrons to form negative ions.
