English

Write the Names of the Elements Present in the :- Sulphuric Acid - Chemistry

Advertisements
Advertisements

Question

Write the names of the elements present in the :- 

Sulphuric acid

One Line Answer
Advertisements

Solution

Sulphuric acid : Hydrogen, sulphur, oxygen.

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 2.3

RELATED QUESTIONS

Tick the most appropriate answer.

Who discovered that radioactive rays are given out by uranium?

  1. Henri Becquerel
  2. Marie Curie
  3. Pierre Curie
  4. Schmidt

WRITE SHORT ANSWER

Define an ionic compound.


Write the names of the elements present in the:-

Acetic acid


Fill in the blank

An ion with positive charge is called ______


A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.

What is such a particle called ?


A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.

Does the particle have an excess of electrons or a deficiency of electrons ?


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

Which element will gain electron?


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

Which will form positive ion?


Select the correct answer to the statement given below:

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


The basic unit of matter is ______.


Assertion: An atom is electrically neutral.

Reason: Atoms have equal number of protons and electrons.


Draw the structure of an atom and explain the position of the sub-atomic particles.


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.


______ is the smallest particle of an element.


1 mole of Gold and Silver contain same number of atoms.


The graphite refill used is pencil is made of element called ______.


______ is a substance that is made up of three oxygen atoms chemically combined.


Lead is also known as plumbum.


Statement I: Atoms are electrically neutral as they contain equal number of positive and negative charges.

Statement II: Atoms of each element are stable and emit their characteristic spectrum.

In the light of the above statements, choose the most appropriate answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×