This layer<span> of the </span>earth<span> lies between the mantle and the solid inner core. It is the only liquid </span>layer<span>, a sea of </span>mostly iron and nickel about 1,400 miles. <span>The lava is </span>mostly made<span> up of iron and nickel</span><span>. The outer core creates the </span>Earth's<span> magnetic field. The final </span>layer<span> is the inner core, which is 900 miles deep. Scientists believe the inner core is a solid ball of iron and other minerals.</span>
Answer: 12.011g/mol
Explanation: The molar mass of any element is usually stated at the bottom of periodic table (depending of your table anyways). Remember that the periodic table speaks to you in moles so every molar mass under the element is for 1 mole. By this I mean for example, 1 mole of Carbon = 12.011g of Carbon.
Answer:
the oxidation number of Pt in K₂PtCl₆ <u>is 4.</u>
K₂PtCl₆=0
2+x-6=0
x=4