CHM101



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The most abundant element in the universe is
Answer: hydrogen

Which colour is observed when alkali metals dissolve in liquid ammonia?
Answer: deep blue

What type of bond do ligands usually bond to metal?
Answer: coordinate

The principal element in the solar atmosphere is	
Answer: hydrogen

Hydrides formed with metals of low electronegativity is called	
Answer: ionic

The least electronegative element in the periodic table is	
Answer: caesium

A phenomenon that occurs when a metal is surrounded by water is called	
Answer: hydration

Electronegativity can be measured by using one of the scales developed by any of these Except
Answer: hund

Which of these alkali earth metals forms more complexes ?
Answer: beryllium

What is the chain structure of polysulphides ?
Answer: zigzag

Which of these hydrogen isotopes is called heavy hydrogen ?
Answer: deuterium

Atoms of element with the same atomic number but different mass number are called
Answer: isotypes

What is the trend of electronegativity across a row of S & P-blocks?
Answer: increase

Which of the alkali earth metal is usually found in green plants?
Answer: magnesium

Indicate among these elements, one with lower ionization energy
Answer: te

The following are among the uses of hydrogen Except
Answer: ethanol manufacture

Which of the alkali earth metal is not collected as alkali earth metals because its oxide is not alkaline ?
Answer: beryllium

The solution of alkali metals in liquid ammonia is blue colour due to
Answer: solvated electrons

One of these is not a type of metal lattices
Answer: docta hedral




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