transition metal questions
Q1. What can you say about the elements 47,78 and 79? Open or Close
Gold, silver and platinum are all rare, precious metals and expensive. They are precious because they rare. They are also very unreactive (inert). They occur native (uncombined)
Q2. What is unusual about element 80? Open or Close
Mercury (symbol Hg) is unusual because it is liquid at room temperature. This property of mercury allows it to be used in thermometers. As the liquid metal changes temperature it expands and contracts and therefore rises or falls up and down the narrow tube.
Q3. What is unusual about element 74? Open or Close
Tungsten ( symbol W) has the highest melting point of any metal at 3414 degrees C.
This allows it to be used in light bulb filaments as it can glow white hot without melting.