7th Standard Syllabus & Materials
7th Standard
TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - ஒன்றல்ல இரண்டல்ல Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - எங்கள் தமிழ் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - Your Space Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - A Prayer to the Teacher Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - The Listeners Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - The Wind on Haunted Hill Important Questions And Answers Study Material - QB365 Set A
Published on: 27/08/2019
Atomic Structure
Download Tamil Nadu 7th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
____________ is the smallest unit used to measure small lengths
Metre
Nanometre
Millimetre
Centimetre
2.
Whose theory does not propose anything about the positive and negative charges of an atoms.
J.J. Thomson
Dalton
Rutherford
Bohr
3.
The average diameter of an atom is ____________
10-8 m
1 m
1 Ao
10-5 m
4.
_______ is positively charged.
Proton
Electron
Molecule
Neutron
5.
The basic unit of matter is ______.
Element
Atom
Molecule
Electron
6.
According to John Dalton, atom is a hard, solid, ball and it is ______________
7.
The __________ are combination of atoms of various elements or the same element.
8.
____________ is the smallest particle of a chemical element.
9.
If the valency of carbon is 4 and that of hydrogen is 1, then the molecular formula of methane is_______.
10.
The _______ revolve around the nucleus.
11.
Positively charged Particle
12.
Hydrogen
13.
Iron
14.
Neutral Particle
15.
Valency
16.
Rutherford used beta particles in his scattering experiments
17.
Most of the space in an atom is occupied by electrons
18.
The outermost orbit of an atom can have more than 8 electrons.
19.
J.J. Thomson proposed than an atom consists of positively charged sphere in which the electrons are embedded
20.
A neutron is a neutral particle
1.
(b)
Nanometre
2.
(b)
Dalton
3.
(c)
1 Ao
4.
(a)
Proton
5.
(b)
Atom
6.
( )
indivisible
7.
( )
molecules
8.
( )
Atom
9.
( )
CH4
10.
( )
electrons
11.
Proton
12.
Monovalent
13.
Fe
14.
Neutron
15.
Electrons in the outermost Orbit
16.
(b)
17.
(a)
18.
(b)
19.
(a)
20.
(a)
7th Standard Syllabus & Materials
7th Standard
TN 7th English T1 - Supplementary - On Monday Morning Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - Eidgah Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Social Science T1 - ECO - Production Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Social Science T1 - GEO - Interior of the Earth Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
