What is the chemical formula for salt?

Which part of the electromagnetic spectrum has a shorter wavelength than ultraviolet light? television x-rays microwave infrared light

Why does the order of amino acids affect the structure of a protein

21.7 mL of gas at 98.8 kPa is allowed to expand at constant temperature into a 52.7 mL container. What is the new pressure of the gas?

Give an example of a non abelian group g such that g/z (g) is abelian

Which of the following is not needed to make a model of the water cycle . an energy source . water . a closed container . a drain

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important

Which ionic compound is the most likely to dissolve in water? CaSO4 Na2SO4 BaSO4 SrSO4

Calcium (atomic number 20) has electron configuration 1s2,2s2,2p6,3s2,3p6,4s2. The atomic number of scandium is 21. Which orbital does the 21st electron enter? a. 3d b. 4p c. 4d d. 4f