Write the electrons configuration for an atom of an element whose atomic number is 8

In the chemical laboratory why do scientists use a mortar and pestle

4 NO + O2 + 2 H2O → 4 HNO2 The reaction above is second order in nitric oxide and first order in oxygen. How much faster will the rate be if the concentration of NO is tripled? 9 times faster 6 times faster 3 times faster 8 times faster

When a solid changes to gas, what is it called?

Calculate the ph of a solution obtained by mixing 100ml each of 0.1M HCL, 0.1M HNO3 and 0.1M NaOH solutions.

What occurs when kcl (s is added to water?

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in

Which of the following elements is released into the atmosphere by all of these processes: volcanic outgassing, animal respiration and flatulence, burning of fossil fuels, and metamorphism of limestone? a. Carbon. b. Nitrogen. c. Oxygen. d. Sulfur