How does the density of the earth’s core compare to the other layers of the earth?

What is the most stable monatomic ion formed from nitrogen

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

What volume of argon gas is equal to 1.60 grams of argon