Helium only possesses two valence electrons, while the other noble gasses posses eight
Answer:
8.45
Explanation:
pOH + pH = 14
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Answer:
Five significant figures.
Explanation:
The given measurement have five significant figures 52301.
All non-zero digits are consider significant figures like 1, 2, 3, 4, 5, 6, 7, 8, 9.
Leading zeros are not consider as a significant figures. e.g. 0.03 in this number only one significant figure present which is 3.
Zero between the non zero digits are consider significant like 104 consist of three significant figures.
The zeros at the right side e.g 2400 are also significant. There are four significant figures are present.
Answer:
No
Explanation:
A mole is a measure of a number of atoms. One mole of Uranium is the same number of atoms as one mole of Hydrogen