Chemistry, 27.06.2021 14:20 kbracey

An atom has an atomic number of 19 and mass number of 39 how many electrons and protons does it have?

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 20.06.2019 18:04

Scientist wants to react a barium chloride salt with an acid. to speed up the reaction, the scientist crushes the barium chloride salt until it is a fine powder. this speeds up the reaction by a. increasing the ph of the salt. b. increasing the surface area of the salt. c. increasing the pressure of the salt. d. increasing the temperature of the salt. im thinking more a not 100% sure

Answers: 3

Answer

Chemistry, 22.06.2019 05:30

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Answers: 3

Answer

Chemistry, 22.06.2019 13:00

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Answers: 1

Answer

Chemistry, 22.06.2019 21:50

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action