In an ionic compound, the total positive charge from cations must be equal to the total negative charge from anions to ensure the compound is __________.
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Practise MYP Chemistry questions on 4.2 Chemical Formula and review the explanations to check your understanding.
Use these questions for topic practice and to find ideas you want to revisit in your notes or lessons.
In an ionic compound, the total positive charge from cations must be equal to the total negative charge from anions to ensure the compound is __________.
In the nomenclature of covalent compounds, which prefix is used to indicate that there are exactly five atoms of a particular element present in a molecule?
In the naming of covalent compounds, which prefix is correctly matched with the number of atoms it represents?
While ionic compounds exist as giant repeating lattices, many covalent substances exist as discrete units called __________.
If an ionic compound is formed between a metal ion with a charge and a non-metal ion with a charge, what is the correct simplest whole-number ratio of ions in the final formula?
reactive
acidic
neutral
aqueous
penta-
tetra-
quad-
hexa-
penta- (5)
tri- (2)
mono- (0)
tetra- (3)
polyatomic ions
formula units
isotopes
molecules
1:2
4:2
2:4
2:1