What causes interstellar dust and clouds of gas to condense into planets and stars?

How is an ionic bond formed between two atoms? A. both atoms lose electrons. B. both atoms gain electrons. C. one atom shares an electon with another atom. D. one atom transfers an electron to the other atom.

How do you find half life like i know the formula with 1/2 but how do you know how many times you do it

The perimeter of parallelogram pqsr is 74 cm. what is qs?

Which radioactive isotope is commonly used to date wooden artifacts?

How much electricity is required to treat and deliver the water used in America every year? a. 25 billion kWh b. 32 billion kWh c. 56 billion kWh d. 120 billion kWh

How many grams of methane, CH4 are produced from the complete reaction of 5.15 moles of carbon monoxide, CO

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint