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प्रश्न
One nm is equal to :
विकल्प
10–9 mm
10–7 cm
10–9 cm
10–6 m
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उत्तर
10−7 cm
One nanometre is equal to 10−7 centimetre.
APPEARS IN
संबंधित प्रश्न
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 |
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Define:- Radicals
Write the names of `"Na"_3"PO"_4` compounds :
What does an atom consist of ? Explain.
Name two particles found inside the nucleus. What are they collectively called ?
Write the relation between nanometre and metre.
Which of the following statement is correct about the atom of an element ?
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
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?
The smallest particle of matter that can exist by itself is ______.
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
In all atoms of an element
Does the solubility of a substance change with temperature? Explain with the help of an example.
The smallest unit of an element is ______.
The most abundant type of atom is the universe is ______.
What is the fundamental particle of an element?
The ______ are combination of atoms of various elements or the same element.
