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प्रश्न
Write true or false for the following statement
An atom on the whole has a positive charge.
पर्याय
True
False
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उत्तर
false
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संबंधित प्रश्न
Explain the Mass number with example.
Fill in the blank
An ion which has a positive charge is called a ..................
Fill in the blanks.
Isotopes are the atoms of ______ element having the ______ atomic number but ______ mass number.
Fill in the blank of the following statement :
The total number of protons and neutrons in the nucleus of an atom is called its _________.
Fill in the following blanks in respect of an atom of an element
| No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
| 11 | 12 | ___________ | ___________ | ___________ | ________ |
What is meant by the 'atomic number of an element'?
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
The particles that make up the atom are called ______ particles.
The No. of electrons in the outermost shell of the atom of an inert gas ______.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
The atomic number of boron is 5. Write the chemical formula of the compound formed when boron reacts with chlorine.
