How many protons, neutrons, electrons, does isotope number 19 and mass of 39?

Calculate wavelength in metres and nanometers of green light whose frequency is 5.7 x 10^14 Hz.

Match the term with its description. Match Term Definition Colloid A) A mixture in which two or more liquids are mixed that normally are not mixable Emulsion B) Mixture that has its different components mixed evenly within the substance

An island arc is found along the?

Which of the following is not an organic compound? C6H14 CO2 CH4 C12H22O11

How much heat energy would be released if 78.1 g of water at 0.00 °c were converted to ice at - 57.1 °c. give your answer as a positive number in kilojoules (kj) ?

What happens to a solid object with a density that is less than the density of water when it is placed in water?

What is a naturally occurring, inorganic solid with a definite structure and composition is called what?

How are chemical methods of determining salinity dependent on the principle of constant proportions?

What does oxidation mean

Which is the correctly balanced chemical equation for the reaction of KOH and H2SO4?