An element's atomic number is 66 how many protons would an atom of this element have

Clay and organic matter generally have higher capacity for retaining nutrients than silt and sand. True o false?

Which statement best describes elements? A. They are the smallest particles of any material. B. They are composed of only one type of atom. C. They are the most expensive materials on earth. D. They break down easily

A sample of carbon dioxide occupies a volume of 2.50 liters at 100 kPa pressure. What pressure would the gas exert if the volume was decreased to. 75 liters? Round two decimal places.

Convert 7.8 liters of carbon tetra fluoride cfa to grams

What is atomicity of halogens?

What is population and air

You are in space and running out of water. You do have a great deal of magnesium carbonate pentahydrate. It is possible to extract the water from this.

What form of energy emission accompanies the return of excited electrons to the ground state?

A chemistry student was asked to draw the electron configuration for carbon. Explain what is wrong with the electron configuration below. What rule did the student violate (Aufbau principle, Pauli Exclusion principle, or Hund's rule) ? 1s22s23p2

During a laboratory experiment, 36.12 grams of Al2O3 was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What wa volume of O2 used during the experiment? 302 + 4A1 - 2A1203