Which type of chemical bond holds the atoms together within a molecule of water?

• A. Ionic bond
• B. Hydrogen bond
• C. Covalent bond
• D. Metallic bond

Answer: (C)

Verified step by step guidance

1. Begin by understanding the types of chemical bonds: Ionic bonds involve the transfer of electrons from one atom to another, typically between metals and non-metals. Covalent bonds involve the sharing of electrons between atoms, usually non-metals. Metallic bonds occur between metal atoms, involving a 'sea of electrons'. Hydrogen bonds are weak interactions between molecules, not within them.
2. Identify the elements in a water molecule: Water (H₂O) consists of hydrogen (H) and oxygen (O), both of which are non-metals.
3. Consider the nature of the bond between hydrogen and oxygen: Since both are non-metals, they are likely to share electrons rather than transfer them, which is characteristic of covalent bonding.
4. Visualize the structure of a water molecule: In H₂O, each hydrogen atom shares an electron with the oxygen atom, forming two covalent bonds. This sharing allows each atom to achieve a stable electron configuration.
5. Conclude that within a water molecule, the atoms are held together by covalent bonds, as the electrons are shared between hydrogen and oxygen atoms.