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प्रश्न
Name the particle or particles you would expect to find in :
The nucleus of an atom
उत्तर
The nucleus of an atom : protons and neutrons
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer.
Who discovered that radioactive rays are given out by uranium?
- Henri Becquerel
- Marie Curie
- Pierre Curie
- Schmidt
MATCH THE COLUMNAS
| 1. Jpham Dalton | a. Neutrons |
| 2. Atom | b. Model of the atom |
| 3. Chadwick | c.The atomic theory of matter |
| 4. Rutherfrod | d. Positively charged |
| 5. Protons | e. Electricity neutral |
| 6. Nuclear fusion | f. Generator of electricity |
| 7.Gamma -rays | g. High penetrating power |
| h.Energy in sun |
WRITE SHORT ANSWER
Define an ionic compound.
Write the names of the elements present in the:-
Ammonia
Name two particles found inside the nucleus. What are they collectively called ?
Name three non-metals/radicals which have valency -1, -2, and -3.
How did Neils Bohr visualise the atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Write the full form of IUPAC.
How is the size of an atom indicated ?
Name the unit in which the radius of an atom is usually expressed.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
Electron, proton, neutron are the types of ______ in an atom.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
Define the following term with an example.
Compound
In all atoms of an element
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Which of the following has maximum number of atoms?
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
- Rutherford’s atomic model
- Thomson’s atomic model
- Bohr’s atomic model
Atoms have a radius of the order ______.
