That can he the reason for choosing Carbon12 to define atomic mass unit?

That can he the reason for choosing Carbon12 to define atomic mass unit?
by

1 Answer

Answer :

That can he the reason for choosing Carbon12 to define atomic mass unit?
by
selected by

Related questions

Answer: It is the unit of atomic mass.

Description : Answer: It is the unit of atomic mass.

Last Answer : The chemical reactions which never go to completion are called what?

If edge length of an unit cell `=4xx10^(-8)` cm and the unit cell is a face-centered cubic with atomic mass of metal is 40 then density of the unit ce

Description : If edge length of an unit cell `=4xx10^(-8)` cm and the unit cell is a face-centered cubic with atomic mass of metal is 40 then density of the unit ce

Last Answer : If edge length of an unit cell `=4xx10^(-8)` cm and the unit cell is a face-centered cubic with atomic mass of ... /(24) `gm/ml D. `(1)/(4)` gm/litre

Why is the atomic mass unit rather then the gram usually used to express atomic mass?

Description : Why is the atomic mass unit rather then the gram usually used to express atomic mass?

Last Answer : Because a gram is too large a unit to express the mass of anatom. Also the Atomic Mass relates to what atoms or made of.If you convert the atomic mass into grams you have a mole of theelement.

Energy equivalent to one atomic mass unit (amu) is __________ MeV. (A) 9.31 (B) 93.1 (C) 931 (D) 9310

Description : Energy equivalent to one atomic mass unit (amu) is __________ MeV. (A) 9.31 (B) 93.1 (C) 931 (D) 9310

Last Answer : (C) 931

atomic mass unit is equal to?

Description : atomic mass unit is equal to?

Last Answer : 1.6605 x 104-27 Kg

1. What is the number of electrons in an atom of atomic number Z and mass number A? 2. With which of the following fields is M. F. Hussain associated? 3. Which is the ‘Slack Season’ in the Indian Economy? 4. In which country is Marino sheep rearing the predominant pastoral activity? 5. Which was the lowest unit of Chola administration?

Description : 1. What is the number of electrons in an atom of atomic number Z and mass number A? 2. With which of the following fields is M. F. Hussain associated? 3. Which is the Slack Season' in ... 19. What are Shield volcanoes? 20. Mughal dynasty was to Bahadur Shah Zafar-as what was Lodi dynasty to?

Last Answer : Answer : 1. Z 2. Painting 3. Jan.-June 4. Australia 5. Valanadu 6. Stomata 7. 9th December, 1946 8. Measuring flask 9. China 10. Rajaraja Chola I 11. Vocal music 12. Abidjan 13. ... N. Rao 17. By radiation only 18. Useful but need strict regulation 19. Repeated lava flows 20. Ibrahim Lodi

Define average atomic mass.

Description : Define average atomic mass.

Last Answer : Ans. Average atomic mass is the average of atomic mass of all the isotopes of an element.

Define : i) Atomic number ii) Atomic mass number iii) Energy level iv) Sub energy level

Description : Define : i) Atomic number ii) Atomic mass number iii) Energy level iv) Sub energy level

Last Answer : i) Atomic number: It is defined as; the number of protons present in the nucleus, which exactly balances the number of electrons present in the extra nuclear part. ii) Atomic mass number: It ... : The close grouping of number of energy levels in the main energy level is called sub energy level.

WHAT are the answers for vocabulary workshop level b unit 4 choosing the right word?

Description : WHAT are the answers for vocabulary workshop level b unit 4 choosing the right word?

Last Answer : thats what i wanna know too

What are the answers for vobabulary workshop level b unit 7 choosing the right word?

Description : What are the answers for vobabulary workshop level b unit 7 choosing the right word?

Last Answer : Feel Free to Answer

WHAT are the answers for vocabulary workshop level b unit 4 choosing the right word?

Description : WHAT are the answers for vocabulary workshop level b unit 4 choosing the right word?

Last Answer : thats what i wanna know too

Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :-

Description : Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :-

Last Answer : Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :- A. 25 B. 100 C. 50 D. `100 xx 6 xx 10^(-23)`

1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

Assertion `(A) :` Hydrogen bomb is more powerful than atomic bomb. Reason `(R) :` In hydrogen bomb, fusion reaction is initiated. a)If both `(A)` and

Description : Assertion `(A) :` Hydrogen bomb is more powerful than atomic bomb. Reason `(R) :` In hydrogen bomb, fusion reaction is initiated. a)If both `(A)` and

Last Answer : Assertion `(A) :` Hydrogen bomb is more powerful than atomic bomb. Reason `(R) :` In hydrogen bomb, fusion ... D. If both (A) and (R ) are incorrect.

Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.

Description : Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.

Last Answer : Ans. -(a) it is due to decrease in bond dissociation energy which is due to increase in atomic size C-C > Si-Si >Ge-Ge>Sn-Sn>Pb-Pb. (b)- It is due to inert pair effect. (c)- Molten AlBr3 is poor conductor of electricity because it is covalent compound.

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 element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Description : An element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Last Answer : Mass number = 4 Atomic number = 2 X is Helium. It has 0 valency and it will not react with any other atom because it has its outer shell filled.

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.

What is the number of electrons in an atom of atomic number Z and mass number A? -Do You Know?

Description : What is the number of electrons in an atom of atomic number Z and mass number A? -Do You Know?

Last Answer : answer:

What is the atomic number and mass ?

Description : What is the atomic number and mass ?

Last Answer : Be Atomic number 4 and mass 9

What is the atomic mass of hydrogen ?

Description : What is the atomic mass of hydrogen ?

Last Answer : Atomic mass of hydrogen 1.

What is the atomic mass of titanium ?

Description : What is the atomic mass of titanium ?

Last Answer : Atomic mass of titanium 48

What is the relative atomic mass of scandium ?

Description : What is the relative atomic mass of scandium ?

Last Answer : The relative atomic mass of scandium is 45 .

What is the relative atomic mass of calcium ?

Description : What is the relative atomic mass of calcium ?

Last Answer : The relative atomic mass of calcium is 40 .

What is the relative atomic mass of potassium ?

Description : What is the relative atomic mass of potassium ?

Last Answer : : Atomic mass relative to potassium 39 .

What is the relative atomic mass of argon ?

Description : What is the relative atomic mass of argon ?

Last Answer : The relative atomic mass of argon is 40 .

What is the relative atomic mass of chlorine ?

Description : What is the relative atomic mass of chlorine ?

Last Answer : The relative atomic mass of chlorine is 35 .

What is the relative atomic mass of sulfur ?

Description : What is the relative atomic mass of sulfur ?

Last Answer : The relative atomic mass of sulfur is 32 .

What is the relative atomic mass of phosphorus ?

Description : What is the relative atomic mass of phosphorus ?

Last Answer : The relative atomic mass of phosphorus is 30 .

What is the relative atomic mass of silicon ?

Description : What is the relative atomic mass of silicon ?

Last Answer : Relative atomic mass of silicon 28 .

What is the relative atomic mass of aluminum ?

Description : What is the relative atomic mass of aluminum ?

Last Answer : Relative atomic mass of aluminum 27 .

What is the relative atomic mass of magnesium ?

Description : What is the relative atomic mass of magnesium ?

Last Answer : The relative atomic mass of magnesium is 24 .

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 .

What is the relative atomic mass of neon ?

Description : What is the relative atomic mass of neon ?

Last Answer : Relative atomic mass of neon 20 .

What is the relative atomic mass of fluorine ?

Description : What is the relative atomic mass of fluorine ?

Last Answer : The relative atomic mass of fluorine is 19 .

What is the relative atomic mass of oxygen ?

Description : What is the relative atomic mass of oxygen ?

Last Answer : Relative atomic mass of oxygen 16 .

What is the relative atomic mass of nitrogen ?

Description : What is the relative atomic mass of nitrogen ?

Last Answer : Relative atomic mass of nitrogen 14 .

What is the relative atomic mass of carbon ?

Description : What is the relative atomic mass of carbon ?

Last Answer : Relative atomic mass of carbon 12 .

What is the relative atomic mass of beryllium ?

Description : What is the relative atomic mass of beryllium ?

Last Answer : : Relative atomic mass of beryllium 9 .

What is the relative atomic mass of lithium ?

Description : What is the relative atomic mass of lithium ?

Last Answer : The relative atomic mass of lithium is seven.

What is the relative atomic mass of helium ?

Description : What is the relative atomic mass of helium ?

Last Answer : The relative atomic mass of helium is four.

What is the relative atomic mass of hydrogen ?

Description : What is the relative atomic mass of hydrogen ?

Last Answer : The relative atomic mass of hydrogen is one.

What is Gram Atomic Mass ?

Description : What is Gram Atomic Mass ?

Last Answer : Gram atomic mass: The amount obtained by expressing the atomic mass of an element in grams is called its one gram-atomic mass ; In modern terms, it is also called a mole atom

What is a Unified Atomic Mass ?

Description : What is a Unified Atomic Mass ?

Last Answer : The unit used today for mass on the atomic or molecular scale is the unified atomic mass unit. Whose signal is u . This unit is also called dalton . A unified mass unit is approximately equal to the mass ... many people express the unified atomic mass unit i.e. u with atomic mass unit i.e. amu .

What is the atomic mass of carbon ?

Description : What is the atomic mass of carbon ?

Last Answer : Atomic mass of carbon 12.

What is meant by the relative atomic mass of carbon 12 ?

Description : What is meant by the relative atomic mass of carbon 12 ?

Last Answer : : Atomic mass of carbon 12 means: - From the application of the number Avogadro, we know that 6.02 10 ^ 23 is the actual mass of 23 atoms = its molecular mass ( M). So , the actual mass ... of carbon- 12 atoms. Another notable difference is that there is a unit of atomic mass but no unit of mass.

What is the atomic mass 16 of O ?

Description : What is the atomic mass 16 of O ?

Last Answer : O is a chemical signal. O = oxygen. This is what is meant by the atomic mass of oxygen 18. Atomic mass of an element = number of protons + number of neutrons.

What is Atomic Mass ?

Description : What is Atomic Mass ?

Last Answer : Atomic mass is the mass of an atom of an elemental substance. Atomic mass is often expressed as a unit of integrated atomic mass.

What is Atomic Mass ?

Description : What is Atomic Mass ?

Last Answer : The sum of the number of protons and Newtons in an atom is called atomic mass

What is the relative atomic mass ?

Description : What is the relative atomic mass ?

Last Answer : An atom of an element is as much heavier than 1/12 of the carbon-12 isotope of atom is called the relative atomic mass of that element.