How many atoms of nitrogen are in 10 g of NH, NO3?
(Avogadro's number = 6.022 x1023), (
Molar mass NH4NO3 = 80.04 g/mol)
Select one:
O A. 1.5 x 1023
O B. 3.0 x 1023
O C. 1.8
O D. 2.3 x 1023

How will the emission of an alpha particle affect the atomic number of an atom

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.