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Metals and their compounds

video lesson SS3 · Chemistry · 21:06

This lesson covers the characteristics of metals, including their ability to lose electrons and form positive ions. It discusses the classification of metals, their physical properties, and examples of common metals such as sodium, magnesium, and aluminum. The lesson also includes information on the

  • 13:08 “High in the electrochemical series, like I told you earlier, are highly electrovalent compounds, which are very stable and difficult to reduce chemically. So the process of extraction is about reduction. Remember, these...”
  • 16:23 “is CC, we have CC electron. So give you, you can always remember that oxygen is the atomic. Meaning the oxygen is the gas. All gases are the atomic. They can assist as an atom except as a molecule. So writing it this way...”
  • 12:16 “allow that they are good electrolytes because you can use them for electrolysis. Whereas chlorides of nonmetas are non electrolytes. They cannot be broken down. Remember, it's the ions that conduct electricity. So covale...”
metals properties extraction chemistry metas electrons electron carbon

Types of Production

video lesson JSS1 · Business Studies · 19:11

This lesson defines production and explains its types, including primary, secondary, and tertiary production. It also discusses the extraction of raw materials and the transformation into finished goods.

  • 06:42 “Extractive is under primary production. Why manufacturing and construction is under secondary world production? Let us look at extractive production or the extractive industry as we call it. This is the primal sector. It...”
  • 03:28 “We are going to look at them one after the order. The first one is primary production. This is the early stage of production that involves the extraction of raw materials from the soil, not just soil from the sea, beneat...”
  • 04:16 “farmers and so on and so forth. So the primary production can also be classified as extractive production, extractive production. Okay, we have a secondary stage of production, which we call, I mean, which means those ra...”
production business studies services goods people labour skilled