This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons ... (Read 162 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?
 
  A) 100, 245
  B) 94, 247
  C) 96, 245
  D) 96, 247
  E) 100, 249

Question 2

An element with atomic number 88 goes through alpha decay. Its atomic number is now
 
  A) 80.
  B) 82.
  C) 84.
  D) 86.
  E) 88.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


cagreen833

  • Hero Member
  • *****
  • Posts: 544
Reply #2 on: Jul 27, 2018
TY


lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

The iron atom of heme has six coordination bonds: four in the plane The iron atom of heme has six coordination bonds: four in the plane
Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc
Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Annual Mean Number of Days with Thunder Annual Mean Number of Days with Thunder
People with normal color vision see the number 29 in the chart; however, those who are color-blind c People with normal color vision see the number 29 in the chart; however, those who are color-blind c
Video: Immune responses Animation

For a complete list of videos, visit our video library