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GOB Chemistry: Atomic Structure & Bonding

1 학생이 이 점이 도움이 되었다고 느꼈습니다
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이 집합의 용어 (6)

  • Primary difference between ionic and covalent bonds

    Ionic bonds involve transfer of electrons from one atom to another, forming ions. Covalent bonds involve sharing of electrons between atoms.

  • Atomic number of an element with 11 protons

    The atomic number is 11, equal to the number of protons.

  • Mass number of an element with 11 protons and 12 neutrons

    The mass number is the sum of protons and neutrons: \(11+12=23\).

  • Why do noble gases rarely form chemical bonds?

    Noble gases have a full valence electron shell, making them very stable and unlikely to react or form bonds.

  • Balanced chemical equation for hydrogen and oxygen forming water

    Balanced equation: \(2H_2 + O_2 \rightarrow 2H_2O\).

  • pH indication of a bright red pH strip at pH 2

    A pH of 2 indicates a strong acid because it is highly acidic (pH < 7).