Chemistry of Elements

Elements of group IA in the periodic table are called ... metals.

Elements of group VIIA in the periodic table are called ...

Elements of group VIIIA are known as ...

Among the following alkali metals, the most reactive is ...

The reaction of sodium metal with water produces ... gas.

The most reactive halogen is ...

Across a period from left to right, the atomic radius tends to ...

Noble gases are unreactive because ...

Alkaline earth metals tend to form ions with a charge of ...

A characteristic property of transition metals is ...

The correct equation for the reaction of sodium with water is ...

When $\mathrm{Cl}{}_2$ gas is bubbled into a $\mathrm{KBr}$ solution, a reaction occurs because ...

The period-3 element oxide that is amphoteric is ...

At room temperature, the halogen that is a liquid is ...

An element has the electron configuration $1s^{2}2s^{2}2p^{6}3s^{2}3p^5$. The element is located in ...

The order of carbonate stability of alkaline earth metals, easiest to decompose first, is ...

The reaction $\mathrm{Cl}{}_2+2\mathrm{NaOH}\to \mathrm{NaCl}+\mathrm{NaClO}+\mathrm{H}{}_2\mathrm{O}$ is a ... reaction.

Down a group, the ionisation energy tends to ...

The transition metal used as a catalyst in the Haber process (ammonia synthesis) is ...

The noble gas used in high-intensity lamps because it produces bright white light is ...