Answer:
2.35 *10^2 g
Explanation:
4.2 mol Fe *55.845 g/1 mol = 234.549 > 2.35 *10^2 g
I think the correct answer from the choices listed above would be the first option. The angle between the hydrogen atoms in water (H2O) is slightly less than expected for a tetrahedral shape. This is because of the extra electron repulsion from the lone pairs. Hope this helps.
The answer is Ga.
That is gallium (Ga), correctly names the element that Mendeleev predicted would be discovered and placed in the aluminum column.
Gallium (Ga) is the element that Mendeleev predicted would be discovered and placed in the aluminum column.
So the answer is Gallium (Ga) that is there in the 13th group of periodic table or in aluminium column.
Answer
Refrigerator and fire extinguisher.
Explanation: