Question

The physical properties of hydrogen

Answer 1

Hy­dro­gen has the fol­low­ing phys­i­cal pa­ram­e­ters:

melt­ing tem­per­a­ture — (-259.2) de­grees Cel­sius;

boil­ing tem­per­a­ture — (-252.76) de­grees Cel­sius;

in this in­ter­val, hy­dro­gen is a col­or­less liq­uid with­out any smell;

at high pres­sure, snow-like crys­tals of sol­id hy­dro­gen form;

in spe­cial con­di­tions, hy­dro­gen is ca­pa­ble of mov­ing to a met­al state;

hy­dro­gen is in­sol­u­ble in wa­ter, so it can be ob­tained in the lab­o­ra­to­ry by the wa­ter dis­place­ment method;

in or­di­nary con­di­tions, hy­dro­gen is a col­or­less gas with­out any smell or taste. It is a com­bustible and ex­plo­sive sub­stance;

it dis­solves well in met­als be­cause of its abil­i­ty to dif­fuse through their thick­ness;

hy­dro­gen is 14.5 times lighter than air;

the crys­tal struc­ture of the sim­ple sub­stance is molec­u­lar, and the bonds are weak, which means it breaks down eas­i­ly

Answer 2

Color--Colorless
Odor--Hydrogen is an odorless gas.
Taste--A tasteless gasDensityThe lowest of any chemical element, 0.08999 grams per liter - the least dense of all gases.
Density : The lowest of any chemical element, 0.08999 grams per liter - the least dense of all gases
Solubility : Slightly soluble in water, alcohol and some other common liquids.



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