Podcast
Questions and Answers
What type of elements form covalent bonds?
What type of elements form covalent bonds?
- Metals and metalloids
- Two non-metals (correct)
- Noble gases and non-metals
- Metals and non-metals
What is the role of electrons in a covalent bond?
What is the role of electrons in a covalent bond?
- Electrons are shared between atoms (correct)
- Electrons are donated by one atom to another
- Electrons are transferred between atoms
- Electrons are repelled by the nuclei of the atoms
What is the significance of sharing electrons in a covalent bond?
What is the significance of sharing electrons in a covalent bond?
- It allows the atom to achieve a stable electron configuration (correct)
- It increases the atomic mass of the atom
- It changes the atomic number of the atom
- It makes the atom positively charged
What is bond energy?
What is bond energy?
What is the bond length?
What is the bond length?
What happens to the bond length when the forces of attraction between electrons and nuclei increase?
What happens to the bond length when the forces of attraction between electrons and nuclei increase?
Why are triple bonds the shortest and strongest covalent bonds?
Why are triple bonds the shortest and strongest covalent bonds?
What do dot and cross diagrams represent?
What do dot and cross diagrams represent?
What does 'expanding the octet rule' refer to?
What does 'expanding the octet rule' refer to?
What is a lone pair of electrons?
What is a lone pair of electrons?
What is an electron-deficient atom?
What is an electron-deficient atom?
What is dative covalent bonding also known as?
What is dative covalent bonding also known as?
In what form does aluminium chloride exist at high temperatures?
In what form does aluminium chloride exist at high temperatures?
'Aluminium chloride at lower temperatures forms what type of structure?'
'Aluminium chloride at lower temperatures forms what type of structure?'
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