Answer:
Percentages are used widely and in many different areas. For example, discounts in shops, bank interest rates, rates of inflation and many statistics in the media are expressed as percentages. Percentages are important for understanding the financial aspects of everyday life.
Explanation:
Answer:
C. 1000
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Answer: 
Explanation:
Electronic configuration represents the total number of electrons that a neutral element contains. We add all the superscripts to know the number of electrons in an atom.
The electrons are filled according to Afbau's rule in order of increasing energies and thus the electronic configuration for Hafnium with atomic number of 72 and containing 72 electrons is:

The electronic configuration for Hafnium in terms of nearest noble gas Is
![[Xe]6s^24f^1{14}5d^2](https://tex.z-dn.net/?f=%5BXe%5D6s%5E24f%5E1%7B14%7D5d%5E2)
for liquid to gas, Evaporation or vaporization.
for gas to liquid, condensation occurs. The opposite of evaporation. Condensation is when the gas gives up it's latent heat and simply condenses.