Covalent Bonding
Bayani Gaba-gaba
Not all atoms transfer electrons to form bonds. When two non-metal atoms meet, they often share electrons instead, creating a covalent bond. This type of bonding produces the molecules that make up water, oxygen, carbon dioxide, and almost every substance in living things.
In this lesson you will learn what a covalent bond is, how to draw dot-and-cross diagrams, and why simple molecular substances have low melting points while giant covalent structures like diamond and silicon dioxide are extremely hard and have very high melting points.
Manufura
- Know that a covalent bond is formed between atoms by the sharing of a pair of electrons
- Explain why substances with a simple molecular structure are gases or liquids, or solids with low melting and boiling points
- Explain why substances with giant covalent structures are solids with high melting and boiling points
Taswirar tunani
An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.
Bude taswirar tunani a cikin manhaja
Katunan tunawa
Gwaji mai sauri kan abin da ake jarraba a wannan batu.
Yi atisayen wadannan katuna a cikin manhaja
Takardar Darasi
Cikakken Bayanin Darasi Yana Kan Manhajar Green Bridge
Sami manhajar Green Bridge CBT a wayarka ko kwamfutarka domin cikakken laburaren IGCSE: takardun jarrabawar baya, tsarin kimantawa, taswirar tunani, katunan karatu da darussan sauti.
Nazarin Darasi
Barka da kammala darasi akan Covalent Bonding. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- A covalent bond involves: A) Transfer of electrons B) Sharing of a pair of electrons C) Attraction between ions D) Delocalised electrons Answer: B
- Simple molecular substances have low boiling points because: A) The covalent bonds are weak B) The intermolecular forces are weak C) They contain ions D) They have giant structures Answer: B
- Which substance has a giant covalent structure? A) Water B) Carbon dioxide C) Diamond D) Sodium chloride Answer: C
- Graphite conducts electricity because it has: A) Ions B) Delocalised electrons C) Weak covalent bonds D) A simple molecular structure Answer: B
- How many covalent bonds does each carbon atom form in diamond? A) 1 B) 2 C) 3 D) 4 Answer: D
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
The Solid State of Matter
Define and describe the bonding and properties of ionic, molecular, metallic, and covalent network crystalline solids
"Chemistry: The Solid State of Matter" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/10-5-the-solid-state-of-matter. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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Sashen littafi
Covalent Bonding
Describe the formation of covalent bonds
"Chemistry: Covalent Bonding" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/7-2-covalent-bonding. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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Yi Aikin Tambayoyin Gwaji
Kana son yin aikin tambayoyin gwaji kan Covalent Bonding? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.
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Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.
