<span>The molar mass of the compound is 36.355 g/mol. This is calculated by knowing that 1 mol of gas fills 22.4 L of volume, so 1.623 g/L = X g/mol * 1/22.4 mol/L -> 1.623 g/L * 22.4 L/mol = X g/mol -> 36.355 g/mol = X g/mol</span>
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Answer:
This is Aluminium.
3 Valency electrons.
Explanation:
The atomic number is 13 and the electronic configuration is
1s22s22p63s23p1 . This is Aluminium.
It has 3 valency electrons. (3s23p1).
Answer: X2Y5
Explanation:
X has 2 dots and Y has 5 dots
The rate at which radioactive decay occurs & how much radioactive decay has occurred
