Answer:
C.
Explanation:
We are given that
Initial concentration,
First half life, minutes
Second half life, minutes
We have to find K.
The given reaction is zero order reaction.
We know that for zero order reaction
Using the formula
Hence, option C is correct.
Answer:
an Additional shell
Explanation:
Potassium has an additional energy level when compared to sodium. This is due to an extra shell added. In the periodic table when you go down the group, the atomic radius increases due to increasing energy levels.
The atomic radius mean the distance from the center of the nucleus to the valance shell. it actually describes the size of the atom
Answer:
bug vfyjovcduvcu Harris's
Answer:1:En química, el número másico o número de masa es la suma del número de protones y el número de neutrones del núcleo de un átomo. Se simboliza con la letra A (el uso de esta letra proviene de alemán Atomgewicht, que quiere decir peso atómico, aunque sean conceptos distintos que no deben confundirse).
2:
Answer:
positively-charged cations
Explanation:
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