10 Questions
What is the molecular structure of diborane (B2H6)?
Bridged
What happens when borax is heated strongly?
It decomposes to form sodium oxide and boron trioxide
What is the product when silicon is heated with methyl chloride at high temperature in the presence of copper?
Methyl silane
Why can concentrated nitric acid be transported in aluminum containers?
Aluminum forms a thin, protective oxide layer that prevents further reaction
Why does graphite have a lower melting point compared to diamond?
Graphite has a layered structure with weaker intermolecular forces
Why is aluminium alloy used to make aircraft bodies?
Aluminium alloy is lightweight and corrosion-resistant
Why is there a significant decrease in ionization enthalpy from carbon to silicon?
Silicon has a larger atomic radius compared to carbon
What is the primary difference in the physical properties of diamond and graphite?
Diamond is harder than graphite
Why should aluminum utensils not be kept in water overnight?
Aluminum forms a protective oxide layer that can be damaged by prolonged exposure to water
What is the reason for the lower atomic radius of gallium compared to aluminum?
Gallium has a higher effective nuclear charge due to its higher atomic number
Explore the change in non-metallic to metallic character by examining the nature of oxides they form. Learn about the acidic or basic properties of non-metal and metal oxides. Understand the differences between the first member of p-block elements and the remaining members of their groups.
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