Answer:
Explanation:
Use equation:
1.7 m 59 sec
------- X ----------- = 100.3 m
sec 1
The Seconds on the top and bottom cancel each other out so the unit of measurement left is Meters.
The process that is occurring as iodine solid is transformed into iodine vapour is SUBLIMATION.
Sublimation is the process by which a substance transformed from a solid state straight into a gaseous state without passing through the liquid state. Iodine is capable of undergoing sublimation process and this property is usually used to separate iodine from mixtures.<span />
Answer: Fluorine has the highest ionization enthalpy.
Explanation: This is because the ionization energy decreases from top to bottom and increases from left to right. Also, ionization enthalpy is the amount of energy required by an isolated gaseous atom to lose an electron in its ground state.
Since fluorine needs just one atom to attain noble gas configuration so it will not want to lose any electron and hence a high amount of energy will be required to remove an electron from it.
The answer is 300
3 * 100
3 * 10 * 10
30 * 10
300
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B is correct. cause with microscope you look at the surface
