In just one second the Sun emits more energy than humans have used in the last 10,000 years. The Sun has been shining relatively steadily for 4.6 billion.
Basic Chemistry CHAPTER 2-2. Radioisotopes Heavier isotopes that are unstable and tend to decompose to become more stable.
Chapter 2 Basic concepts: molecules TOPICS Lewis structures Valence bond theory Fundamentals of molecular orbital theory The octet rule Isoelectronic.
