Which of the following elements is a metal?

Correct option is B

The correct answer is (B)    Sodium

• Metals include groups such as alkali metals, alkaline earth metals, transition metals, lanthanides, and actinoids.
• Metals are highly reactive with water and oxygen.
• Due to their strength and durability, metals are widely used to make vehicles, satellites, kitchen utensils, and other objects.
• Most metals are hard, but there are exceptions like sodium and potassium, which are soft enough to be cut with a knife.
• Mercury is unique as it is a liquid at room temperature.
• Sodium, an alkali metal, belongs to Group 1 of the periodic table.

Information booster:

Germanium

1. Germanium is an example of a metalloid.
2. Metalloids have properties that are a mix of metals and non-metals.
3. They are commonly used in fields such as optoelectronics, pyrotechnics, and the manufacturing of semiconductors and electronic devices.

Non-Metals

• Elements like bromine and neon are non-metals.
• Non-metals tend to accept or gain electrons to form negative ions.
• Typically, non-metals have 4 to 7 electrons in their outermost shell.