Atom | % of total no of atoms |

H | 93 |

He | 7 |

Hydrogen atoms constitute what percentage of the universe by mass ?

$(a)\;77\%\qquad(b)\;23\%\qquad(c)\;37\%\qquad(d)\;73\%$

Want to ask us a question? Click here

Browse Questions

Ad |

0 votes

Ask Question

Take Test

x

JEE MAIN, CBSE, AIPMT Mobile and Tablet App

The ultimate mobile app to help you crack your examinations

...