Which of these alloys contains copper?

A. solder B. steel C. permalloy D. bronze Correct Answer: Option D – bronze Explanation Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel, or zinc) and...
If the molecular mass of tetraoxosulphate (VI) acid is 98, calculate its vapour density.

The ionic radii of metals are usually?

A. greater than their atomic radii B. unaffected by the charge on the ion C. the same as their atomic radii D. less than their atomic radii Correct Answer: Option D – less than their atomic radii Explanation In a neutral atom, the atomic and ionic radius is the...

Copyright warnings! Do not copy.