SpletA non-metal is an element that often conducts heat and electricity. Most of the non-metal qualities are the opposite of a metal's. Non-metals can be found in all three states of matter. Gases are in the majority like nitrogen, oxygen … Splet16. mar. 2024 · Question. Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat. (iv) is a poor conductor of heat. Answer. (i) Metal that exists in liquid state at room temperature → Mercury (ii) Metal that can be easily cut with a knife → Sodium
CBSE 8, Science, CBSE-Materials-metals and non-metals, MCQ
Splet12 vrstic · 11. jan. 2016 · Non-metals are such elements which have 4,5, 6 and 7 electrons in their outermost shell. Examples ... Splet13. avg. 2024 · Write one example of each of. (i) a metal which is so soft that, it can be cut with knife and a non-metal which is the hardest sustance. (ii) a metal and a non-metal which exist as liquid at room temperature. (CBSE 2015) Answer: (i) Sodium, carbon (diamond). (ii) Mercury is liquid metal, bromine is liquid non-metal. rainbow knee high boots
List Of Metals And Non Metals - Science Trends
Splet18. sep. 2008 · There are 7 elements that belong to the nonmetals group: Hydrogen (sometimes considered an alkali metal) Carbon Nitrogen Oxygen Phosphorus Sulfur Selenium Although these are the elements in the group nonmetals, there are two … Nonmetal elements are defined by their lack of metal properties. Learn which … Bromine is element 35 with symbol Br. It is a liquid at room temperature and … There are multiple ways of grouping the elements, but they are commonly divided … Get ready for the next step in your or a loved one's education. These resources offer … The inorganic chemistry of the non-metals. Methuen Educational, London. ISBN … The reactivity of the metalloids depends on the element with which they are reacting. … Location and List of the Noble Gases on the Periodic Table . The noble gases, also … The word halogen means "salt-producing," because halogens react with metals to … SpletMost elements in the periodic table are metals, while non-metals account for around 20% of known elements. The periodic table can be used to find out if an element is a metal or a … Splet30. avg. 2024 · An example of a liquid metal and a liquid non-metal is (a) gallium, mercury (b) mercury, chlorine (c) mercury, bromine (d) bromine, sulphur ... The clear liquid which is left behind in the beaker after settling down of the sediments is called: (a) Solvent (b) Supernatant liquid (c) Solution rainbow knight firework