Which of the following element combinations will likely form monatomic ions not polyatomic ions?
1. argon and krypton
2. potassium and iodine
3. carbon and nitrogen
4. oxygen and nitrogen

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

List a abiotic factors and character

Total number of electrons that can occupy the d sub level