Advertisements
Advertisements
Question
Match the pairs.
| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
Advertisements
Solution
| Group 'A' | Answer |
| a. Proton | iii. Positively charged |
| b. Electron | i. Negatively charged |
| c. Neutron | ii. Neutral |
APPEARS IN
RELATED QUESTIONS
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
WRITE SHORT ANSWER
Name three inert gases.
Write the names of the elements present in the :-
Sulphuric acid
Write the names of the elements present in the:-
Sodium hydroxide
Define: Ions
Give the charge and the mass of an electron, proton and neutron present in an atom ?
Define: Covalent bond
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
What are the building blocks of matter ?
What is an atom ? How do atoms usually exist ?
Draw the diagrams representing the atomic structures of the following: Neon
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
Which of the following statements made by Dalton has not undergone any change?
In all atoms of an element
Write any two observations which support the fact that atoms are divisible.
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 ______.
