The number of unit positive charge carried by the nucleus of an atom is called the atomic number of that atom (element).

True

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False

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Solution

The correct option is A True
The number of protons in an atom is referred to as the atomic number of that element.
The number of protons also determines the chemical behaviour of the element.
Hence, the given statement is TRUE.

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Similar questions

Fill in the blanks in the following statements :

(a) The number of protons in the nucleus of an atom is called its ....................

(b) The total number of protons and neutrons in the nucleus of an atom is called its ....................

(d) An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of the atom is ....................

(e) If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is ....................

(f) Almost all the mass of an atom is concentrated in a small region of space called the ....................

(g) Cathode rays are a beam of fast moving ....................

(h) The anode rays obtained from hydrogen gas consist of particles called ....................

(i) The maximum number of electrons that can be accommodated in L shell are ....................

(j) The maximum number of electrons that can go into the M shell is ....................

(k) The subatomic particle not present in a hydrogen atom is ....................

(l) The electron has .................... charge, the proton has .................... charge, and the neutron has .................... charge.

The positively charged center of an atom is called ______ (nucleus/proton).

Fill in the blanks :

(a) Dalton said that _______________ could not be divided.

(b) An ion which has a positive charge is called a _______________

(d) The _______________ of an atom is very hard and dense.

(e) Neutrons are __________________ particles having mass equal to that of portons.

(f) Isotopes are the atoms of __________________element having the __________________atomic number but __________________mass number.

Write 'true' or 'false' for the following statements :

(a) An atom on the whole has a positive charge.

(b) The maximum number of electrons in the first shell can be 8.

Explain: The nucleus of an atom carries a positive charge.

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The number of unit positive charge carried by the nucleus of an atom is called the atomic number of that atom (element).

The correct option is A TrueThe number of protons in an atom is referred to as the atomic number of that element. The number of protons also determines the chemical behaviour of the element.Hence, the given statement is TRUE.

The correct option is A True
The number of protons in an atom is referred to as the atomic number of that element.
The number of protons also determines the chemical behaviour of the element.
Hence, the given statement is TRUE.