Answer:
C. AlCl3 is a covalent compound.
Explanation:
It is formed by mutual sharing of electrons between two atoms each contributing equal number of electrons to the electron pair.
<span>It is known that amu is equal to the molar mass of 1 mole of substance. Therefore,
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Weight of one mole of uranium = 238 g/mol
The molar mass or molecular weight for U205 is 556 g/mol.
(238 x 2) + (16 x 5) = 556 g/mol
Answer:
D) 6
Explanation:
The balanced equation would be:
6Li + N2 -> 2Li3N
Mass to mass: moles A x(mole ratio of B/A) and mass to mole: extract the data from the question