Advertisements
Advertisements
Question
The particle not present in an ordinary hydrogen atom is :
Options
proton
neutron
nucleus
electron
Advertisements
Solution
neutron
A hydrogen atom ` ""_1^1"H"`, has 1 proton and 1 electron, but it does not have any neutron.
APPEARS IN
RELATED QUESTIONS
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
TRUE \ FALSE
Electrons are present in the nucleus.
WRITE SHORT ANSWER
What do you mean by electron transition?
WRITE SHORT ANSWER
What is the charge on a neutron ?
Draw the electronic configuration of the following elements clearly stating the number of neutrons and protons in their nucleus.
a. Beryllium b. Silicon
c. Chlorine d. Aluminium
e. Nitrogen
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
