Chemical Equations Quiz

<p>The burning of magnesium in air</p> Signup and view all the answers

<p>The law of conservation of mass</p> Signup and view all the answers

<p>Elements can be classified as metals or non-metals based on their properties. Metals such as iron, copper, and aluminum are used in construction, electrical wiring, and food packaging, while non-metals like sulfur and carbon are used in matches, plastics, and fertilizers.</p> Signup and view all the answers

<p>Properties such as luster, malleability, and electrical conductivity are considered when categorizing elements as metals. Non-metals are characterized by properties such as dullness, brittleness, and poor electrical conductivity. These properties determine the usefulness of metals in applications such as construction, electrical wiring, and machinery, and the usefulness of non-metals in applications such as insulation, packaging, and agriculture.</p> Signup and view all the answers

<p>Physical properties of metals include luster, malleability, and ductility. An activity to demonstrate these properties is to compare the appearance and surface cleanliness of samples of iron, copper, aluminum, and magnesium.</p> Signup and view all the answers

<p>Iron is used in construction and manufacturing, copper is used in electrical wiring and plumbing, aluminum is used in food packaging and aerospace applications, and magnesium is used in automotive components and electronics. The physical properties of these metals, such as malleability, ductility, and conductivity, contribute to their usefulness in these applications.</p> Signup and view all the answers

<p>The physical properties of metals, such as luster, malleability, and electrical conductivity, contribute to their classification as metals and are also the reasons for their uses in various applications such as construction, electrical wiring, and manufacturing.</p> Signup and view all the answers