Podcast
Questions and Answers
What is the maximum number of electrons the first shell of an atom can accommodate?
What is the maximum number of electrons the first shell of an atom can accommodate?
- 4 electrons (correct)
- 6 electrons
- 10 electrons
- 8 electrons
Which group of elements do not form chemical bonds due to having full outer energy levels?
Which group of elements do not form chemical bonds due to having full outer energy levels?
- Halogens
- Alkali metals (correct)
- Noble gases
- Transition metals
What is the term used for the outermost energy level of an atom?
What is the term used for the outermost energy level of an atom?
- Valence shell
- Proton layer
- Neutron shell (correct)
- Core nucleus
Which type of elements possess characteristics of both metals and non-metals?
Which type of elements possess characteristics of both metals and non-metals?
How do elements achieve the octet rule according to the text?
How do elements achieve the octet rule according to the text?
Why are covalent molecules poor conductors of electricity?
Why are covalent molecules poor conductors of electricity?
What property of covalent molecules contributes to their low boiling and melting points?
What property of covalent molecules contributes to their low boiling and melting points?
What makes covalent bonds different from ionic bonds?
What makes covalent bonds different from ionic bonds?
Why do covalent bond molecules usually exist in a gaseous, soft solid, or volatile liquid state?
Why do covalent bond molecules usually exist in a gaseous, soft solid, or volatile liquid state?
Why do atoms share electrons in covalent bonds?
Why do atoms share electrons in covalent bonds?
What makes covalent molecules easily dissolve in organic solvents?
What makes covalent molecules easily dissolve in organic solvents?
Which type of bond is formed when atoms share three pairs of electrons?
Which type of bond is formed when atoms share three pairs of electrons?
Which factor contributes to the low density of covalent bond molecules?
Which factor contributes to the low density of covalent bond molecules?
What defines a pure covalent bond?
What defines a pure covalent bond?
What distinguishes a polar covalent bond from a non-polar covalent bond?
What distinguishes a polar covalent bond from a non-polar covalent bond?