What is the relative atomic mass of aluminum ?

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.

What is the atomic number of aluminum ?

Description : What is the atomic number of aluminum ?

Last Answer : The atomic number of aluminum is 13 .

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.

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 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

What is the difference between relative isotopic mass and relative atomic mass?

Description : What is the difference between relative isotopic mass and relative atomic mass?

Last Answer : Atomic Mass is the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or ... may be MANY individual Relative Isotopic Masses for an Element (depending on how many Isotopes it has).

What is the relative atomic number of boron ?

Description : What is the relative atomic number of boron ?

Last Answer : The relative atomic number of boron is 11 .

What element has an atomic number lower than that of aluminum and one less valence electron than group 16 elements?

Description : What element has an atomic number lower than that of aluminum and one less valence electron than group 16 elements?

Last Answer : Nitrogen

Calculate the frequency of revolution of an electron in the first orbit of an aluminum atom. Given that mass of electron `=9x10^(-31) kg, e= 1.6 xx10^

Description : Calculate the frequency of revolution of an electron in the first orbit of an aluminum atom. Given that mass of electron `=9x10^(-31) kg, e= 1.6 xx10^

Last Answer : Calculate the frequency of revolution of an electron in the first orbit of an aluminum atom. Given that mass of ... of the orbit `=0.2xx10^(-11) m`.

How many moles of aluminum oxide are present in a sample having a mass of 178.43g?

Description : How many moles of aluminum oxide are present in a sample having a mass of 178.43g?

Last Answer : The number of moles is 6,631.

What would be the mass of 1000ml of aluminum?

Description : What would be the mass of 1000ml of aluminum?

Last Answer : The density of something is mass/volume (this is a constant)The density of Aluminium is 2,700 kg/m3 at STPTherefore knowing the density and the volume you can work out the massIf D = M/V then M = D*V1m3 = ... we have only 1000 ml or 1000/1000000 of a 1m3 = 0.001m3Therefore 0.001 * 2700 = 2.7 kg

What is the formula mass of aluminum oxalate Al2(C2O4)3?

Description : What is the formula mass of aluminum oxalate Al2(C2O4)3?

Last Answer : The molar mass of aluminium oxalate is 318,017 g.

What is the formula mass of aluminum oxalate Al2(C2O4)3?

Description : What is the formula mass of aluminum oxalate Al2(C2O4)3?

Last Answer : The molar mass of aluminium oxalate is 318,017 g.

What would be the mass of 1000ml of aluminum?

Description : What would be the mass of 1000ml of aluminum?

Last Answer : The density of something is mass/volume (this is a constant)The density of Aluminium is 2,700 kg/m3 at STPTherefore knowing the density and the volume you can work out the massIf D = M/V then M = D*V1m3 = ... we have only 1000 ml or 1000/1000000 of a 1m3 = 0.001m3Therefore 0.001 * 2700 = 2.7 kg

An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is?

Description : An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is?

Last Answer : Mass number = proton number + neutron number SO, Mass number(Aluminium) = 13+ 14 =27

An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is?

Description : An aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. Its mass number is?

Last Answer : Mass number = proton number + neutron number SO, Mass number(Aluminium) = 13+ 14 =27

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 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 .

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

The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction

Description : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction

Last Answer : (2) the sum of the number of protons and neutrons present in the nucleus

An atom of an element with mass number 23 and atomic number 11 will have- (1) 11 neutrons, 12 protons and 11 electrons (2) 11 protons, 12 neutrons and 11 electrons (3) 11 protons, 12 electrons and 11 neutrons (4) 23 protons and 11 electrons

Description : An atom of an element with mass number 23 and atomic number 11 will have- (1) 11 neutrons, 12 protons and 11 electrons (2) 11 protons, 12 neutrons and 11 electrons (3) 11 protons, 12 electrons and 11 neutrons (4) 23 protons and 11 electrons

Last Answer : (2) 11 protons, 12 neutrons and 11 electrons

What are isobars? (1) Elements with same atomic number but different mass number (2) Elements with different atomic number but same mass number (3) Elements with different atomic number and different mass number (4) Elements with same atomic number and same mass number

Description : What are isobars? (1) Elements with same atomic number but different mass number (2) Elements with different atomic number but same mass number (3) Elements with different atomic number and different mass number (4) Elements with same atomic number and same mass number

Last Answer : (2) Elements with different atomic number but same mass number Explanation: Isobars are atoms of different chemical elements that have the same number of n cleons. Correspondingly, isobars differ in atomic number (number of protons) but have the same mass number.

All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Description : All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Last Answer : (3) the same atomic number but different atomic masses Explanation: Isotopes are forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. So they have the same atomic number, but differ in relative atomic mass.

In an atomic explosion enormous energy is released which is due to the - (1) Conversions of neutrons into protons (2) Conversion of chemical energy into nuclear energy (3) Conversion of mechanical energy into nuclear energy (4) Conversion of mass into energy

Description : In an atomic explosion enormous energy is released which is due to the - (1) Conversions of neutrons into protons (2) Conversion of chemical energy into nuclear energy (3) Conversion of mechanical energy into nuclear energy (4) Conversion of mass into energy

Last Answer : (4) Conversion of mass into energy

The enormous amount of energy released in an explosion of an atomic bomb is due to the - (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons

Description : The enormous amount of energy released in an explosion of an atomic bomb is due to the - (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons

Last Answer : (4) conversion of neutrons into protons Explanation: The enormous amount of energy released in an explosion of an atomic bomb is due to the converson of neutrons into protons. When, a neutron strikes ... , each of which is a nucleus with about half the protons and neutrons of the original nucleus.

What is the relative atomic mass of aluminum ?

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