What is the atomic number of sodium ?

What is the atomic number of sodium ?
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Answer :

The atomic number of sodium is 11 .
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Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number. -Science

Description : Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number. -Science

Last Answer : Atomic number of sodium (Z) =11 Mass number of sodium (A) = 23 Number of protons in the nucleus = 11 Number of neutrons in the nucleus =23-11 = 12 Number of electrons = 11 Electronic ... the electronic configuration is 2, 8(K, L). However, the number of protons and neutrons remains the same.

What is the atomic number of sodium ?

Description : What is the atomic number of sodium ?

Last Answer : The atomic number of sodium is 11 .

Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Description : Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Last Answer : (1) Sodium Explanation: Sodium has higher atomic number (11) than Fluorine (9) The atomic number of Beryllium and Nitrogen are 4 and 7 respectively.

What is the ground-state configuration for Na+? The atomic atomic number for sodium is eleven.

Description : What is the ground-state configuration for Na+? The atomic atomic number for sodium is eleven.

Last Answer : ANSWER: 1S22S22p6

Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. -Science

Description : Lithium, sodium and potassium form a Dobereiner’s triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. -Science

Last Answer : Lithium, sodium and potassium form a Dobereiner's triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium. Therefore, the atomic mass of sodium = average of the atomic mass of lithium and potassium = 23.

Atomic radius of sodium 1.8 amstrong "..... How to determine this value ?

Description : Atomic radius of sodium 1.8 amstrong "..... How to determine this value ?

Last Answer : To determine the value, that is, to take the meter, you have to multiply it by 10 ^ -10 . (1.6 * 10 ^ - 10)

What is the relative atomic mass of sodium ?

Description : What is the relative atomic mass of sodium ?

Last Answer : Relative atomic mass of sodium 23 .

If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample?

Description : If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample?

Last Answer : Need answer

Is sodium hypochlorite binary or poly atomic?

Description : Is sodium hypochlorite binary or poly atomic?

Last Answer : Sodium hypochlorite has the formula NaClO and so is polyatomic.It has 3 different atoms (Na, Cl and O).

The fuel in atomic pile is - (1) carbon (2) sodium (3) petroleum (4) uranium

Description : The fuel in atomic pile is - (1) carbon (2) sodium (3) petroleum (4) uranium

Last Answer : (4) uranium Explanation: In the pile, the neutron-producing uranium pellets were separated from one another by graphite blocks. Some of the free neutrons produced by the natural decay of ... other uranium atoms, causing nuclear fission of those atoms and the release of additional free neutrons.

An atomic clock is based on transitions in - (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium

Description : An atomic clock is based on transitions in - (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium

Last Answer : (2) Caesium Explanation: An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms ... the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.

The mercury and sodium street lamps light up because of – (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Description : The mercury and sodium street lamps light up because of – (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : (1) Atomic emission Explanation: The light in sodium vapour lamp and mercury vapour lamp is, because of electron emission. In case of Sodium Lamps, filaments of the lamp sputter ... energy levels and the electrons thus excited relax by emitting the characteristic monochromatic bright yellow light.

The sodium compound used as coolant in atomic reactors?

Description : The sodium compound used as coolant in atomic reactors?

Last Answer : Liquid sodium

Give reason: Atomic size of sodium atom is greater than that of chlorine atom.

Description : Give reason: Atomic size of sodium atom is greater than that of chlorine atom.

Last Answer : Sodium is in the 1 st group where as chlorine is in 17 th group. We know that the atomic size decreases down the group. Hence sodium atom has larger atomic size than that of chlorine atom.

An aqueous solution of sodium chloride is prepared by dissolving 10kg of sodium chloride in 50 kg of water find (i) Weight % (ii) Mole % of solution. [Atomic weight of Na = 23, Cl = 35.5]

Description : An aqueous solution of sodium chloride is prepared by dissolving 10kg of sodium chloride in 50 kg of water find (i) Weight % (ii) Mole % of solution. [Atomic weight of Na = 23, Cl = 35.5] 

Last Answer : Weight of NaCl = 10 kg Weight of H2O = 50 kg Total weight = 60 kg Weight % of NaCl = (10/ 60) * 100 =16.67% Weight % of H2O = (50/ 60) * 100 = 83.33% Molecular weight of NaCl = 58.5 k moles of NaCl ... 100 = 5.79% Mol % of H2O = (moles of H2O / Total moles)*100  = (2.78/ 2.949)*100 = 94.26%

An atomic clock is based on transitions in (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium

Description : An atomic clock is based on transitions in (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium

Last Answer : Caesium

The mercury and sodium street lamps light up because of : (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Description : The mercury and sodium street lamps light up because of : (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : Atomic emission