Step 1: Look at the items given in the question. We have 'Water' and some metals.
Step 2: Identify what type of substance each item is. Water is a liquid, while metals are solid.
Step 3: Compare the properties of Water with the metals. Water is not a metal.
Step 4: Conclude that Water is the odd one out because it is a liquid, and the others are metals.
Classification of States of Matter – Understanding the differences between solids, liquids, and gases, particularly focusing on the properties of metals versus non-metals.
Properties of Metals – Recognizing that metals are typically solid at room temperature and have distinct physical properties compared to liquids.