English

Write the Names of Fes Compounds : - Chemistry

Advertisements
Advertisements

Question

Write the names of `"FeS"` compounds :

One Line Answer
Advertisements

Solution

`"FeS"` -  Iron sulphide 

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atoms, Molecules and Radicals - Exercise

APPEARS IN

Selina Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atoms, Molecules and Radicals
Exercise | Q 8.3

RELATED QUESTIONS

WRITE SHORT ANSWER

Define an ionic compound.


Define:- Radicals


 Name the particles which revolve around the nucleus.


What is the maximum number of electrons present in:

1. first shell
2. second shell
3. third shell and
4. fourth shell


Define: Covalent bond


What does the word ‘atom’ mean?


An atom has 13 protons and 14 neutrons.

How many electrons would be present in this atom ?


Fill in the blank

If an atom loses an electron, it acquires ______ a charge.


Write the relation between nanometre and metre.


How many times is a proton heavier than an electron?


State two observations which show that atom is not indivisible.


What is an atom ? How do atoms usually exist ?


Elements X and Y have 1 and 7 electrons in their outermost shell respectively.

Which element will gain electron?


Select the correct answer to the statement given below:

Imaginary path around the nucleus of an atom in which electrons revolve.


The smallest particle of matter that can exist by itself is ______.


Rewrite the given sentence in correct form.

Elements contain two or more kind of atoms and compounds contain only one kind of atom.


Project.

To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.


In all atoms of an element


What are the 3 most abundant atoms on the earth?


A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×