Elements with the Same Number of Protons and Neutrons

List the elements with the same number of protons and neutrons in their average composition, such that their mass number is twice their atomic number
Quiz by
chubdl
Rate:
Last updated: September 4, 2021
You have not attempted this quiz yet.
First submittedSeptember 4, 2021
Times taken22
Average score66.7%
Report this quizReport
1:00
Enter answer here
0
 / 9 guessed
The quiz is paused. You have remaining.
Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
Elements
Helium
Carbon
Nitrogen
Oxygen
Neon
Magnesium
Silicon
Sulfur
Calcium
Save Your Stats
Your Next Quiz
Can you name the capitals cities of all 196 countries in the world?
Four movies from each year from 2000–2009. Can you guess them all?
Pin each city on the world map as close as you can. Closer = more points!
Drag the flag onto the correct state. Careful, though! One wrong move and the game ends.
Comments
No comments yet