Atomic Structure

Posljednje ažuriranje almost 5 years ago

Napomena autora:

Atomiv Structrure

Biblioteka

Atomic Structure

Posljednje ažuriranje almost 5 years ago

Napomena autora:

Atomiv Structrure

Pitanje 1

Identify the atom shown in the picture

Carbon

Neon

Nitrogen

Oxygen

Pitanje 2

Choose the correct statement/s

Cation are formed by losing electrons.

Anions are formed by donating electrons.

Cations are negatively charged partilces

Negatively charged partilces are called anions.

Hydrogen and ammonium ions are Cations.

Pitanje 3

Draw the structure of the following atom showing the nucleus containing protons and neutrons and orbits with the respective electrons: Sodium [ At. no = 11, Mass no = 23]

Pitanje 4

An element "X" has six electrons in its outer or Valence shell. Its Valnecy is ----

(2)

(1)

(8)

(6)

Pitanje 5

Tick the correct option/s

Valence shell is M and Valence electrons are 2.

There are 13 electrons in the atom.

This atom will accept electrons and form Cation.

This atom will donate electrons and form anion

This atom will donate and form Cation.

Pitanje 6

Why noble gases like helium, neon and argon are inert in nature?