The core of earth is made of iron and nickel the outer core is so hot that it melts metal. The inner core is solid. What causes these diffrences

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Type the correct answer in the box. spell all words correctly.what is the correct term for living the most sustainable life you can within your current circumstances? when your are being as sustainable as you can within your current lifestyle, you are said to be sustainability.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true