Electronic configuration of Element Atomic number 20 is –

Electronic configuration of Element Atomic number 20 is –
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Answer :

2, 8, 8, 2
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Isotopes of an element have the same (A) Number of neutrons (B) Mass number (C) Electronic configuration (D) Atomic weight

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Last Answer : (C) Electronic configuration

The electronic configuration of an atom having atomic number `20' is – (1) 2, 8, 10 (2) 2, 6, 8, 4 (3) 2, 8, 8, 2 (4) 2, 10, 8

Description : The electronic configuration of an atom having atomic number `20' is – (1) 2, 8, 10 (2) 2, 6, 8, 4 (3) 2, 8, 8, 2 (4) 2, 10, 8

Last Answer : (3) 2, 8, 8, 2 Explanation: Electrons occupy shells around the outside of an atom. There can be up to two electrons in the first shell, up to eight in the second and up to eight in the third. A calcium atom (Ca) has electron structure 2,8,8,2.

The electronic configuration of an atom having atomic number '20' is?

Description : The electronic configuration of an atom having atomic number '20' is?

Last Answer : 2, 8, 8, 2

The electronic configuration of an atom having atomic number ‘20’ is (1) 2, 8, 10 (2) 2, 6, 8, 4 (3) 2, 8, 8, 2 (4) 2, 10, 8

Description : The electronic configuration of an atom having atomic number ‘20’ is (1) 2, 8, 10 (2) 2, 6, 8, 4 (3) 2, 8, 8, 2 (4) 2, 10, 8 

Last Answer : 2, 8, 8, 2

The cause of periodicity of properties (a) Increasing atomic radius (b) Increasing atomic weights (c) Number of electrons in the valency orbit (d) The recurrence of similar outer electronic configuration

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Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

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Write the electronic configuration of scandium having atomic number 21.

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Last Answer : Ans-Sc = [Ar]3d1 4S2

Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

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If the valence shell electronic configuration of an element is 3s^2 3p^1, in which block of the periodic table is it placed?

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If the valence shell electronic configuration is ns^2 np^5, the element will belong to :

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Last Answer : From the ground state, electronic configuration of the elements given below, pick up the one with highest value of second ... D. `1s^(2)2s^(2)2p^(5)`

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Which has the same electronic configuration as of inert gas ?

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Description : The electronic configuration of neon is

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What is the Electronic configuration of niobium?

Description : What is the Electronic configuration of niobium?

Last Answer : 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2, 4p6, 4d4, 5s1, or [Kr] 4d4,5s1.

WHAT is the electronic configuration of Nb?

Description : WHAT is the electronic configuration of Nb?

Last Answer : Nb or niobium has the electron configuration of [Kr]4d45s1

WHAT is the electronic configuration of Nb?

Description : WHAT is the electronic configuration of Nb?

Last Answer : Nb or niobium has the electron configuration of [Kr]4d45s1

What is the electronic configuration of lead?

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Last Answer : The element lead (atomic number 82) has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2 or simplified in the noble gas form as [Xe] 4f14 5d10 6s2 6p2

What is the electronic configuration of cerium?

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Last Answer : [Xe]4f4

What is the electronic configuration of lead?

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Last Answer : The element lead (atomic number 82) has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2 or simplified in the noble gas form as [Xe] 4f14 5d10 6s2 6p2

What is the electronic configuration of cerium?

Description : What is the electronic configuration of cerium?

Last Answer : [Xe]4f4

Radio activity is due to – (1) unstable nucleus (2) stable nucleus (3) stable electronic configuration (4) stable electronic configuration

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The electronic configuration of carbon is

Description : The electronic configuration of carbon is

Last Answer : 1s , 2s 2p

Write the excited state electronic configuration of carbon atom.

Description : Write the excited state electronic configuration of carbon atom.

Last Answer : 1s , 2s 2px 2py 2pz

Write the electronic configuration of carbon atom when it is in ground state.

Description : Write the electronic configuration of carbon atom when it is in ground state.

Last Answer : The electronic configuration of carbon atom in ground state is 1s 2 , 2s 2 , 2p 2

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Description : The electronic configuration of silicon is

Last Answer : 1s , 2s 2p , 3s 3p .

2. Write the electronic configuration of silicon

Description : 2. Write the electronic configuration of silicon

Last Answer : The atomic number of silicon is 14 and its mass number is 28. Its electronic configuration 2 2 6 2 2

How elements are classified based on electronic configuration?

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Last Answer : Based on electronic configuration, all elements are grouped into four categories. They are ‘s block’, ‘p block’, ‘d block’ and ‘f block’ elements.

How is the electronic configuration of an atom related to the period in the periodic table?

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Last Answer : Periods are formed according to the way in which electrons get filled up in different shells and orbitals. For example first period of the table is completed when the first shell of the atom is completely filled up

How does the electronic configuration of an atom relate to its position in the modern periodic table?

Description : How does the electronic configuration of an atom relate to its position in the modern periodic table?

Last Answer : The group number of elements having up to two valence electrons is equal to the number of valence electrons. For example: Group 1 elements have 1 valence electron. Group 2 elements have 2 valence electrons. Group 13 elements have 3 valence electrons.

The electronic configuration of three elements X, Y and Z are X-2,8; Y-2,8,7 and Z-2,8,2‘Which of the given is correct. a) X is a metal b) Y is a metal c) Zis a non-metal d) Y is a non-metal and Z is a metal

Description : The electronic configuration of three elements X, Y and Z are X-2,8; Y-2,8,7 and Z-2,8,2‘Which of the given is correct. a) X is a metal b) Y is a metal c) Zis a non-metal d) Y is a non-metal and Z is a metal

Last Answer : d) Y is a non-metal and Z is a metal

Which group of elements have an outer electronic configuration of S-2-P-6?

Description : Which group of elements have an outer electronic configuration of S-2-P-6?

Last Answer : ANSWER: NOBLE GASES

Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Description : Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Last Answer : ANSWER: Y -- CARBON-SILICON GROUP

What element with an electron configuration that ends with np2 where n is any principal quantum number?

Description : What element with an electron configuration that ends with np2 where n is any principal quantum number?

Last Answer : Feel Free to Answer

The simplest formular of a compound containing 50% of element X (atomic mass 10) and 50% pf element Y (atomic mass 20) is :-

Description : The simplest formular of a compound containing 50% of element X (atomic mass 10) and 50% pf element Y (atomic mass 20) is :-

Last Answer : The simplest formular of a compound containing 50% of element X (atomic mass 10) and 50% pf element Y (atomic mass 20) ... C. `XY_(3)` D. `X_(2)Y_(3)`

What is the electron configuration for the element S?

Description : What is the electron configuration for the element S?

Last Answer : The electron configuration of sulfur is [Ne]3s2.3p4.

What is the electron configuration for the element Al?

Description : What is the electron configuration for the element Al?

Last Answer : The electron configuration of aluminium is [Ne]3s2.3p1.

What element has the noble gas configuration Ne3s2?

Description : What element has the noble gas configuration Ne3s2?

Last Answer : Feel Free to Answer

What element has the same valence electron configuration as phosphorus?

Description : What element has the same valence electron configuration as phosphorus?

Last Answer : The answer is nitrogen. Nitrogen is one example of an elementthat has the same valence electron configuration asphosphorus.Ê

What is the electron configuration of the element Ag?

Description : What is the electron configuration of the element Ag?

Last Answer : What is the answer ?

What element has the same valence electron configuration as phosphorus?

Description : What element has the same valence electron configuration as phosphorus?

Last Answer : The answer is nitrogen. Nitrogen is one example of an elementthat has the same valence electron configuration asphosphorus.Ê

The reactivity of an ionic compound element is explained as its tendency to attain noble gas configuration. How do the elements do so? (1) Lose electrons (2) Gain electrons (3) Both are correct (4) Both are incorrect

Description : The reactivity of an ionic compound element is explained as its tendency to attain noble gas configuration. How do the elements do so? (1) Lose electrons (2) Gain electrons (3) Both are correct (4) Both are incorrect

Last Answer : (3) Both are correct Explanation: The reactivity of elements is explained as their tendency to attain a completely filled outer shell. This is called as having attained noble gas configuration. Once noble gas configuration is reached, the elements lose their reactivity.