Answer:
18857.553
Explanation:
for an approximate result, multiply the value by 239
The answer is A it’s ionizes in water
The mass number goes on top, and the atomic number goes on bottom.
Therefore, the answer is C:
40
K
19
<h2>DIFFERENCE BETWEEN CRYSTALLINE AND AMORPHOUS SOLIDS :</h2><h2><em><u> Amorphous solids do not have definite melting points but melt over a wide range of temperature because of the irregular shape. Crystalline solids, on the other hand, have a sharp melting point.</u></em></h2>