Which bond is broken when energy is released?

Josie see's lightning off in the distance. A few seconds later she hears thunder. What can Josie conclude?

Which element in group 16 is most likely to gain an electron?

An element with an electronegativity of 0.9 bonds with an element with an electronegativity of 3.1 what phrases best describes the bond between these elements?

Which answer best explains how the modern periodic table was derived? the sole work of mendeleev, the father of the modern periodic table a select group of scientific investigations that all had similar outcomes through federal funding so that the

Which process is an example of a physical change? Electricity breaks down water into hydrogen and oxygen gases. Limestone breaks down into lime and carbon dioxide when heated. Carbon combines with oxygen to form carbon dioxide gas.

Is made by the ears to prevent pathogens from entering the body A) wax. B) bile. C) mucus. D) pus

Pieces of sediment settle out of water and wind during

Is Vitamin E an element?

Which gas sample would likely not act like an ideal gas? Choose one of the following, 1. A sample of oxgen gas at low pressure 2. A sample of oxygen gas at high temperature 3. A sample of argon gas at high pressure 4.

Ryan is a 13-year-old male who has just entered puberty. Which change can Ryan expect during this stage of his life? a thinning of body hair an increase in high-risk behaviors a more restful sleep pattern a decrease in vocal ability