Metals- Types And Properties

This is a true statement. The columns in the periodic table are called groups. The rows are called periods.

The answer to this question is Alkali Metals. Alkali Metals are in group one because they only have one electron in their valance shell.

The first option is correct, because metals are known to conduct electricity.
Option two is also correct. Metals are malleable, meaning they are "able to be hammered or pressed permanently out of shape without breaking or cracking."
The third option is incorrect. Metals are commonly shiny and lustrous. Dull is the opposite of this, and is therefore not a characteristic of metals.
The fourth option is correct. Ductile is defined as "able to be drawn out into a thin wire." This is true for metals, since metals are often used in wire.

A cation is a positively charged ion, or an ion that has more protons than electrons.

The information to answer this question can be found on the periodic table.

The first answer is incorrect. Most transition metals are known for their resistance to corrosion. This trait makes them more useful in a variety of situations.
The second answer is correct. Transition metals are generally hard and strong.
The third answer is correct. Transition metals are generally quite dense.
The fourth answer is incorrect. Transition metals often have quite high melting and boiling points.
It is some of these general properties of transition metals that make them among the most useful metallic elements.

The second answer is incorrect. The periodic table organizes elements, which gives some idea of how they might react, but does not categorize their actual reaction.

The first answer is correct. When adding an alkali metal to water, they will fizz, catch fire, and possibly even explode. This is because they are highly reactive as a result of their single valance electron.

The second answer is incorrect. Due to the high reactivity of these metals, they are rarely found in their native state, as they have usually reacted with something in their environment.

The third answer is correct. Many alkali metals are soft, and can be cut with a knife.

The fourth answer is incorrect. Due to the single electron in the valance shell, these metals are extremely reactive and somewhat dangerous as a result.

Aluminum has many unique characteristics distinguishing it from other metals. This question displays them clearly.