Metals and Nonmetals - Page 10
Questions
- What is the most active group of nonmetals?
- How do nonmetals react with acids?
- What nonmetals are gas at room temperature?
- Of the elements Pt, V, Li, and Kr, which is a nonmetal?
- What is a mixture of metals called?
- What type of element is most abundant: metals, nonmetals, or metalloids?
- Why does production of nickel and copper metals from their ores involve sulfur dioxide emissions?
- At room temperature, what are most nonmetals?
- In the presence of an active metal, do bases usually release hydrogen gas?
- Which are more brittle: metals or nonmetals?
- Many everyday items are made from iron. Haematite is an ore of an iron. Haematite contains iron oxide, #Fe_2O_3#. What is the meaning of the term ore?
- Anon-metal breaks easily. What is a term for this?
- What are the properties of nonmetals?
- Which is the more metallic element: As or Sn?
- How are metals and non-metals similar?
- A) Which group of elements is the most metallic? b) Which group of nonmetals is the most reactive? c) Which group of nonmetals is the least reactive? 6) What is the most chemically reactive metal? 7) What is the most chemically reactive nonmetal?
- What separates metals and non-metals with respect to the Periodic Table?
- How can you classify an element into metal or non metal on the basis of chemical properties?
- What property of nonmetals is the opposite of malleable and ductile?