What is the relative atomic mass of chlorine ?

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 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 atomic number of chlorine ?

Description : What is the atomic number of chlorine ?

Last Answer : The atomic number of chlorine is 17 .

Which of the following elements has the atomic number greater than that of Phosphorus? (1) Aluminium (2) Silicon (3) Chlorine (4) Magnesium

Description : Which of the following elements has the atomic number greater than that of Phosphorus? (1) Aluminium (2) Silicon (3) Chlorine (4) Magnesium

Last Answer : (3) Chlorine Explanation: Chlorine is a chemical element with symbol Cl and atomic number 17. Phosphorus is a chemical element with symbol P and atomic number 15.

Which of the following has the smallest atomic radius? w) iodine x) chlorine y) fluorine z) bromine

Description : Which of the following has the smallest atomic radius? w) iodine x) chlorine y) fluorine z) bromine

Last Answer : ANSWER: Y -- FLUORINE

Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Description : Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Last Answer : ANSWER: X -- HIGHER DENSITY

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 .

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.

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.

The mass number of a nucleus is – (1) always less than its atomic number (2) always more than its atomic number (3) always equal to its atomic number (4) sometimes more - and somtimes equal to its atomic number

Description : The mass number of a nucleus is – (1) always less than its atomic number (2) always more than its atomic number (3) always equal to its atomic number (4) sometimes more - and somtimes equal to its atomic number

Last Answer : (4) sometimes more - and somtimes equal to its atomic number Explanation: Mass number = protons or mass of electron (atomic number) + neutrons. So it is mostly greater than the atomic number. At best, it can be equal to the atomic number.

An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is– (1) 17 (2) 19 (3) 36 (4) 53

Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is– (1) 17 (2) 19 (3) 36 (4) 53

Last Answer : (2) 19 Explanation: Mass Number = number of protons (atomic number) + nu.sriber of neutrons. So as per the question, 36= number of neutrons + 17. Number of neutrons= 36 -17= 19

What is the number of atoms constituting a molecule known as - (1) Atomic number (2) Isotopes (3) Atomic mass (4) Atomicity

Description : What is the number of atoms constituting a molecule known as - (1) Atomic number (2) Isotopes (3) Atomic mass (4) Atomicity

Last Answer : (4) Atomicity Explanation: Atomicity is the total number of atoms present in one molecule of an element.

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Description : Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia? (1) 18 (2) 17 (3) 16 (4) 15

Last Answer : (2) 17 Explanation: Ammonia (NH3) is composed of one atom of Nitrogen and three Hydrogen atoms. This means that its molar mass of ammonia will be the sum of the molar mass of one nitrogen atom and three times the molar mass of a hydrogen atom.

The umber of neutrons present in an element having mass number 226 and atomic number 88 is– (1) 88 (2) 138 (3) 314 (4) 50

Description : The umber of neutrons present in an element having mass number 226 and atomic number 88 is– (1) 88 (2) 138 (3) 314 (4) 50

Last Answer : (2) 138 Explanation: The mass number is a count of the number of particles in an atom's nucleus which is made up of protons and neutrons. In other words, Mass Number = Number of Protons + Number of Neutrons. ... of an element, 226 = 88 + number of Neutrons. So, the number of neutrons= 226 - 88= 138.

Atomic mass of Sulphur is 32u. The number of moles in 16 games of Sulphur is: (1) 1 mole of Sulphur (2) 0.5 moles of Sulphur (3) 0.75 moles of Sulphur (4) 0.25 moles of Sulphur

Description : Atomic mass of Sulphur is 32u. The number of moles in 16 games of Sulphur is: (1) 1 mole of Sulphur (2) 0.5 moles of Sulphur (3) 0.75 moles of Sulphur (4) 0.25 moles of Sulphur

Last Answer : (2) 0.5 moles of Sulphur Explanation: The molar mass of a com pound is equal to the sum of the atomic masses of its con stituent atoms in g/mol.

What is the relative atomic mass of chlorine ?

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