3/25/25, 5:38 AQA GCSE Structure and Bonding |
PM
AQA GCSE STRUCTURE AND BONDING EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Terms in this set (40)
How do you know if a substance is A compound between a metal and non metal will have ionic bonds. A
ionic or covalently bonded? substance between two non metal atoms will be covalent bonds.
What is an ion? A charged particle
How are ions formed? By the loss or gain of electrons by atoms
What is oxidation and reduction? OILRIG: Oxidation Is Loss of electrons Reduction Is Gain of electrons
Do metal atoms form positive or Metal atoms ALWAYS lose electrons to form positive ions
negative ions?
Do non-metal atoms form positive or Non-metal atoms gain electrons to form negative ions
negative ions?
Look at the group number:
Group 1 form +1 ions
Group 2 = +2
Group 3 = +3
How can you use the periodic table to Group 4 = don't form ions
help you remember charges on ions? Group 5 = -3
Group 6 = -2
Group 7 = -1
Group 0 don't form ions
Metal atoms lose electrons to form positive ions and these electrons are
How do ionic bonds form? TRANSFERRED to non metal atoms which gain electrons to form negative
ions.
What is a lattice? A giant regular structure
The electrostatic force of attraction between oppositely charged ions
What is an ionic bond? (positive & negative ions attract) in a giant lattice.
What are some of the properties of ionic Solids, brittle, high melting & boiling points, often soluble in water, only
compounds? conduct when molten or dissolved.
Why do ionic compounds have high The strong electrostatic forces between the oppositely charged ions take a
melting and boiling points? lot of energy to break
Draw a dot and cross diagram to show
the formation of an ionic compound
(NaCl) from the individual atoms.
The ionic bond (attraction between oppositely charged ions) in MgO is
Why does MgO have a higher melting stronger than in NaCl. This is because Mg is 2+ and O is 2- compared to Na
point than NaCl which is 1+ and Cl which is 1-.
The electrostatic force of attraction between a shared pair of electrons and
What is a covalent bond? the two nuclei of the atoms forming the bond.
How is a covalent bond formed? A pair of electrons is shared between two atoms
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3
PM
AQA GCSE STRUCTURE AND BONDING EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Terms in this set (40)
How do you know if a substance is A compound between a metal and non metal will have ionic bonds. A
ionic or covalently bonded? substance between two non metal atoms will be covalent bonds.
What is an ion? A charged particle
How are ions formed? By the loss or gain of electrons by atoms
What is oxidation and reduction? OILRIG: Oxidation Is Loss of electrons Reduction Is Gain of electrons
Do metal atoms form positive or Metal atoms ALWAYS lose electrons to form positive ions
negative ions?
Do non-metal atoms form positive or Non-metal atoms gain electrons to form negative ions
negative ions?
Look at the group number:
Group 1 form +1 ions
Group 2 = +2
Group 3 = +3
How can you use the periodic table to Group 4 = don't form ions
help you remember charges on ions? Group 5 = -3
Group 6 = -2
Group 7 = -1
Group 0 don't form ions
Metal atoms lose electrons to form positive ions and these electrons are
How do ionic bonds form? TRANSFERRED to non metal atoms which gain electrons to form negative
ions.
What is a lattice? A giant regular structure
The electrostatic force of attraction between oppositely charged ions
What is an ionic bond? (positive & negative ions attract) in a giant lattice.
What are some of the properties of ionic Solids, brittle, high melting & boiling points, often soluble in water, only
compounds? conduct when molten or dissolved.
Why do ionic compounds have high The strong electrostatic forces between the oppositely charged ions take a
melting and boiling points? lot of energy to break
Draw a dot and cross diagram to show
the formation of an ionic compound
(NaCl) from the individual atoms.
The ionic bond (attraction between oppositely charged ions) in MgO is
Why does MgO have a higher melting stronger than in NaCl. This is because Mg is 2+ and O is 2- compared to Na
point than NaCl which is 1+ and Cl which is 1-.
The electrostatic force of attraction between a shared pair of electrons and
What is a covalent bond? the two nuclei of the atoms forming the bond.
How is a covalent bond formed? A pair of electrons is shared between two atoms
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