Advertisements
Advertisements
Question
What is an electron? State its relative mass and charge.
Advertisements
Solution
An electron (e−) is a fundamental subatomic particle with a negative elementary electric charge. Its mass is 1/1840th of that of a hydrogen atom.
APPEARS IN
RELATED QUESTIONS
Give the symbol and charge of each particle.
What are inert elements?
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?
Name or state the following:
A bond formed by transfer of electron(s)
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
What are the noble gases?
Give a reason why noble gases have a stable electronic configuration.
All non–metals will have ______ electrons in the outermost orbit of their atoms.
In a television tube, Cathode rays are deflected by magnetic fields.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
