Answer:
in supernova gold can be turned into lead.
its practical to obtain gold from lead
hope this helps you☺️☺️
Answer:
Copper is 2+ and carbide is 2-
Answer:
The plum-pudding model did not identify a central nucleus as the source of a positive charge.
Explanation:
Sir Joseph John Thomson, most popularly known as J J Thomson. He was a famous scientist who was awarded the Noble prize for Physics for his discovery of the subatomic particle, electron.
He placed his famous model of an atom which is known as plum pudding model. He proposed that the atoms are described as the negative particles that is floating within a soup of the diffuse positive charge.
But the main defect of his proposal was that it did not recognized the presence of a central nucleus as a positive charged source.
B. 8
Although it may seem that transition metals would have more than 8 valence electrons, they in fact do not.
