How many electrons are present
Favorites|Homepage
Subscriptions | sitemap
HOME > > How many electrons are present

How many electrons are present

[From: ] [author: ] [Date: 12-03-10] [Hit: ]
-None of these. There are 2 electrons present.......
How many electrons are present in ^4He^2+?

1. None of these
2.3
3.5
4.4
5.2
6.6
7.1
8.0

Thank you!

-
He has 2 protons (+), neutrons and electrons(-).

The 2+ means that it there must be 2 less electrons than protons.

So 0 electrons.

-
None of these. There are 2 electrons present.
1
keywords: present,How,electrons,are,many,How many electrons are present
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .