Gold
Iron
Platinum
Tungsten
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class="youtube-subscribe-container"> Subscribe on YouTubeGold is a soft metal that is often used in jewelry. It is not very strong and can be easily scratched.
Iron is a strong metal that is used in many different applications, such as in construction and manufacturing. However, it is not as hard as tungsten.
Platinum is a very dense metal that is used in jewelry and other applications. It is not as hard as tungsten.
Tungsten is a very hard metal that is used in many different applications, such as in light bulbs, X-ray tubes, and jet engines. It is the hardest metal on Earth.