yasioTifflemilimal yasioTifflemilimal

24-12-2015
Chemistry

contestada

Which particle is emitted when an atom of 85Kr spontaneously decays?
(1) an alpha particle (3) a neutron
(2) a beta particle (4) a proton

Respuesta :

littlexavier littlexavier

24-12-2015

The right answer is 2. A beta particle

Answer Link

Otras preguntas

__________ is a polymer with a complex structure. a. Glucose b. DNA c. Alcohol d. Phosphorus

Which of the following statements is correct about black holes? Black holes cannot be seen because light cannot escape from them. Black holes will produce new s

Fred buys a video game disk for $4. There was a discount of 20%. What is the sales price?

What is one way phytoplankton contribute positively to the ecosystem? Explain one way phytoplankton can be harmful or dangerous.

Which of the following is a danger the Earth faces as a result of overpopulation? a. decreased food production c. waste management b. pollution d. all of the ab

What are the solutions to the equation x-7/x=6? a. x=-7 and x=1 b. x=-6 and x=-1 c. x=-1 and x=7 d. x=1 and x=6

Which verb form agrees with the subject and correctly completes the sentence? Few people __________ enough leafy vegetables. A. eat B. eats ASAP PLZ!!!!

What role does the environment play in the appearance of a body

Phosphorus is the least available element, compared to carbon and nitrogen, because it is found mostly in the

What is the tense of the underlined verb? This morning I brought my family blackberries from the bushes near our house. a. past perfect b. present c.