What is Atomic Mass ?

What is Atomic Mass ?
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1 Answer

Answer :

The sum of the number of protons and Newtons in an atom is called atomic mass
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Related questions

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:

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?

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 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.

Who gave the idea of the first atomic mass ?

Description : Who gave the idea of the first atomic mass ?

Last Answer : John Dalton gave the idea of the first atomic mass.

What is the atomic mass of Silver ( Ag) ?

Description : What is the atomic mass of Silver ( Ag) ?

Last Answer : Its atomic mass is 106 |

What is the atomic mass of vanadium ?

Description : What is the atomic mass of vanadium ?

Last Answer : This is the atomic mass of 51

What is the atomic mass of potassium ?

Description : What is the atomic mass of potassium ?

Last Answer : Atomic mass of potassium 39.0283

What is the relative atomic mass of oxygen ?

Last Answer : O Relative atomic mass 32

What is the relative atomic mass H ?

Last Answer : Relative atomic mass 1.008

Atomic Mass Who Say ?

Last Answer : any Substance Or Of the element A Molecule Mass A Carbon - 12 Isotope Of mass 1/12 _ _ To the part That Substance Or Of the element Molecular Mass To say Is Or Any Substance Or Of the element ... Of hydrogen A Atomic Of mass In comparison As many times Heavy Him 3 Of the element Molecular Mass Says.

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

For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Description : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Last Answer : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons ... C. 29 , 34 ,29 D. 29 , 29 , 29

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)`

The modern atomic mass scale is based on :-

Description : The modern atomic mass scale is based on :-

Last Answer : The modern atomic mass scale is based on :- A. `C^(12)` B. `o^(16)` C. `H^(1)` D. `C^(13)`

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)`

`3.011 xx 10^(22)` atoms of an element weight 1.15 g. The atomic mass of the element is :-

Description : `3.011 xx 10^(22)` atoms of an element weight 1.15 g. The atomic mass of the element is :-

Last Answer : `3.011 xx 10^(22)` atoms of an element weight 1.15 g. The atomic mass of the element is :- A. 10 amu B. 2.3 amu C. 35.5 amu D. 23 amu

(A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer

Description : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer

Last Answer : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_ ... both (A) and (R ) are incorrect.

A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Description : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, the process is called `alpha`-decay (

Last Answer : A nuclide has mass number (A) and atomic number (Z). During a radioactive process if: (A) both A and Z decrease, ... 4 C. 1,3, and 4 D. 1,2, and 4

The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

Description : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

Last Answer : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` ... is: A. 92234 B. 94230 C. 90230 D. 92230