WorksheetsDoof
Total questions: 18
Worksheet time: 9mins
The substances, which cannot be broken further into any other substances by any physical or chemical process, are called
Elements
Compounds
Mixture
Solutions
The symbol for sodium is
Na
K
V
P
The symbol of manganese
Ta
Tn
Tg
Mn
Metals are:
Ductile
Non ductile
Non maleable
Maleable
Which of the following is a non metal ?
Iron
Calcium
Nitrogen
Aluminium
The Latin name of potassium is
Natrium
Cuprum
Kalium
Ferrum
Elements which exibit some properties of metals and non metals are called
Metals
Non-Metals
Metaloids
Noble gases
In Sanskrit , "param" means
Particle
Molecule
Final
Symbol
Proton is denoted by the symbol
Po
P
p
e-
Which of the Following is the main cause the of late discovery of neutron
Neutron is highly unstable particle
Neutron in nucleus moves very fast
Neutron is a charge less particle
All of these
The name of electron was coined by
E.Goldstien
James Chadwick
John Dalton
G.J Stoney
Which of the following sub atomic particle carries negative charge
Proton
Electron
Neutron
All Of These
Who discovered nucleus
J.J Thomson
James Chadwick
Rutherford
Goldstein
The meaning of the Greek word "atom" is
Divisible
Indivisible
Continuous
Non- Continuous
Name the Indian sage who first proposed the idea of "Anu" and " parmanu"
Maharishi Kanad
John Dalton
J.J Thomson
Lavioser
Who discovered Neutron
Goldstein
G.J Stoney
James Chadwick
Neil's Bohr
According to which theory, Atoms of same elect are alike in all respects
Dalton's
Modern's
Rutherford's
Leucipius's
Which postulate of Dalton's Atomic theory is not contradicted by modern atomic theory
The smallest unit of matter is an atom which takes part in a chemical reaction
Atoms of same element are alike in all respects
Atoms combine in small whole number ratios to for compound atoms
Both 2&3
