Question

23) Arrange the following elements in order of their decreasing metallic character.

Na, Si, Cl, Mg, Al

a) Cl > Si > Al > Mg > Na b) Na > Mg > Al > Si > Cl

c) Na > Al > Mg > Cl > Si d) Al > Na > Si > Ca > Mg​

Answer 1

Answer:

a) Cl > Si > Al > Mg > Na b) Na > Mg > Al > Si > Cl

The Hazard

The HazardEarthquake can be defined as the shaking of earth caused by waves moving on and below the earth's surface and causing: surface faulting, tremors vibration, liquefaction, landslides, aftershocks and/or tsunamis. Aggravating factors are the time of the event and the number and intensity of aftershocks.

Answer 2

Answer:

option b) is right

Explanation:

because Na is metal

and Cl is Non-metal