Answer:
THE SOUND TRAVELS FASTER IN SOLIDS BECAUSE ITS MOLECULES ARE CLOSE TO EACH OTHER WHILE LIQUIDS MOLECULES ARE NOT TIGHT AS OF SOLID AND IN GAS THE MOLECULES ARE FREE
Answer:
A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015
fourth period
The third period is similar to the second, except the 3s and 3p sublevels are being filled. Because the 3d sublevel does not fill until after the 4s sublevel, the fourth period contains 18 elements, due to the 10 additional electrons that can be accommodated by the 3d orbitals.
Hey,
Answer:
<em>AgCl</em><em> </em>(Silver Chloride)
Explanation:
sodium chloride + silver nitrate → sodium nitrate+ silver chloride
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Because the moon orbits the earth and when the moon gets in front of the sun it blocks the sunlight and then it becomes night
