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ChemicalBonds

QuestionAnswer
ions: Charged atoms that have gained/lost electrons.
chemical bond: Force that holds atoms together.
valence electrons: Electrons on the outermost orbital of atoms.
Why do electron orbitals seek to reach their maximum electron limits? The atom acquires its most stable state in this way.
How do electron orbitals gain electrons? Electron orbitals may 'steal' from nearby atoms to account for the vacancies.
How are ionic bonds formed? This type of bond forms when a neutral (uncharged) atom gains an electron from another neutral atom, and therefore are drawn together due to their opposite charges.
How are covalent bonds formed? This type of bond forms when atoms, such as hydrogen, are 'unwilling' to let go of their electrons (hydrogen atoms do not 'want' to lose their single electron), so atoms share their electrons instead. However, the electrons are not shared evenly.
Why are electrons shared unevenly in covalent bonds? When you have larger atoms bonding with smaller atoms, the former atoms have more protons than do the latter, so the shared electrons are drawn closer to the large atoms due their stronger positive charge.
How are the atoms' charges affected in a covalent bond? This leaves larger atoms with a slight negative charge from being closer to the electrons, and gives small atoms a slight positive charge from being further away.
How are hydrogen bonds formed? This bond forms when a hydrogen bond is within the proximity of another oppositely-charged atom. Opposites attract, and if a hydrogen atom with a covalent bond to another atom is involved, this bondage is considered this form of bond.
What is the term that is defined as the 'randomness of any physical system'? entropy
What form of bond is required in order for a compound to be considered a molecule? covalent bonding
Created by: williamsc
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