Statements that are true are:
b) Water is a compound composed of hydrogen and oxygen atoms.
c) Hydrogen and oxygen must share electrons to create a water molecule.
d) One water molecule is composed of a total of three atoms.
How does a water molecule form?
- One oxygen atom joins two distinct hydrogen atoms in a covalent bond to create a water molecule.
- This arrangement enables both hydrogen atoms to acquire the one electron they require for their outer shells while providing oxygen with the two electrons it needs to fill its shell.
The molecular formula of water:
- Water = H₂O
- It contains two atoms of hydrogen and one atom of oxygen. Therefore, in total there are 3 atoms in one water molecule.
- The molecular weight of water is 18 g.
What are the properties of water?
- The structure of water molecules is bent.
- It is polar, with partial positive charges on the hydrogens and partial negative charges on the oxygen.
- It is a great solvent. Many polar and ionic chemicals can be dissolved by water, which is a unique property.
- Water vaporizes at a high temperature.
Learn more about the properties of water here:
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