What is the atomic mass of Cadmium ? A) 12.011 amu B) 40.078 amu C) 132.91 amu  D) 112.42 amu

Q: What is the atomic mass of an atom?

A: The atoms are placed in periodic table according to their atomic numbers.

Q: What is an Atomic Number?

A: Atomic number  It is represented by the symbol Z. It is the number of protons present in the nucleus…

Q: the isotope of baron with mass number of 10

A: Given : mass number = 10 And element is boron i.e B

Q: what is used to determine an atom's weight and atomic number?

A: There are several use of atomic number and atomic weight of any atom as__ A=Z +n  Where  A is atomic…

Q: Some chlorine atoms have an atomic mass of 37, while others have an atomic mass of 35. What is the…

A: The mass number of an atom is the sum of proton and neutrons present in that atom.  Mass number =…

Q: When does the number of Neutrons vary?

A: An atom consits of the electron,proton and neutron. The atomic mass of the atom depends upon the…

Q: Explain the difference between Z (the atomic number) and A (the mass number)?

A: Concept introduction: Atomic number and mass number are the basic properties of element. An atom…

Q: Differentiate between the mass number and the atomic number?

A: Mass number (A)- the number of protons(p) and neutrons(n) present in an atom of element called as…

Q: A sample of aluminum foil contains 7.80×10^23 atoms. What is the mass of the foil?

A: A sample of aluminum foil contains 7.80×1023 atoms. The mass of the foil is to be calculated.

Q: changes in mass (i

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 11.Label the parts of the helium entry from the periodic table. 2 Не 4.003 12. What does the atomic…

A:

Q: Isotope name Oxygen-18 Sodium-24 protons 8. 35 55.5 3207 S to 29 neutrons 46 electrons 35 29 26 Fe…

A:

Q: Show that the atomic mass of the element sulfur is 32.065 amu.

A: This question is solved by using the following formula.  mass contribution to Sulfur=(mass of…

Q: What subatomic particles will be found in the nucleus of an atom ?

A:

Q: Which particles account for most of an atom’s mass?

A: Atoms are the fundamental unit of matter consisting of neutrons, protons and electrons.

Q: 7. 12.01 g of carbon has approximately 602,214,129,000,000,000,000,000 atoms. What is the…

A:

Q: A sample of aluminum foil contains 6.50×1023 atoms.6.50×1023 atoms. What is the mass of the foil?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: What is the mass of each isotope?

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

Q: What subatomic particle is the primary concern of chemistry?

A: Bohr model gives information about three basic subatomic particles.

Q: # of # of # of Atomic Mass Protons Neutrons Electrons Number Number 32 73 14 14 28 48 64 115 77 59

A:

Q: Two isotopes of boron occur naturally, with B at 19.90 % (10.01 amu) and B at 80.10 % (11.01 amu). ▼…

A: We knew that the avarage weight of any element is equal to avarage weights of all naturally…

Q: Consider a sample of antimony collected from a different solar system. The sample contained 45.8…

A:

Q: What did Ernest Rutherford discover about the structure of an atom ?

A: Rutherford carried out alpha-particles scattering experiment by the bombardment of high speed…

Q: Potassium naturally consists of 93.10% K-39 and 6.90% K-41. K-39 has an atomic mass of 38.963707…

A:

Q: What is atomic mass? How is it calculated?

A: Atoms are the smallest constituents of a chemical compound and the atoms do not have independent…

Q: Suppose a new element is discovered and it has two stable isotopes. One isotope has a mass of 71.123…

A:

Q: Vi-50 has a mass of 49.9472 amu and Vi-51 has a mass of 50.9440 with an average mass of 50.9415 amu.…

A: Consider the abundance of Vi-50 is X% and the abundance of Vi-51 is (100-X) %. The average atomic…

Q: An Se atom has a mass number of 78. How many neutrons does it have?

A:

Q: What is the mass of the isotope is arsenic-73

A: The correct answer is given below

Q: What is the correct shorthand notation for an atom of

A: For an atom representation first, write its symbol and then in superscript on the left side of  the…

Q: An atom has a +3 charge a mass # of 42 and 20 neutrons. What is the amount of electrons it has?

A:

Q: In a sample of nitrogen, there is 99.63% N-14 atoms and 0.37% of N-15 atoms. What is the atomic mass…

A:

Q: Element: Magnesium Number of Number of Abundance Abundance Name of isotope Mass (amu) Protons…

A: Since you have posted multiple questions with multiple sub-parts, we are entitled to answer the…

Q: What is the experimental atomic mass of magnesium?

A: The atomic mass of magnesium can be calculated experimentally by using mass spectrometer . The…

Q: 26. Silver has two naturally occurring isotopes with the masses and natural abundances as shown in…

A:

Q: Which idea came out of Rutherford’s gold foil experiment?a) Atoms contain protons and neutrons.b)…

A: Rutherford’s gold foil experiment is also called as Planetary model of the atom in which he told…

Q: What is the mass number of potassium-39? What is the isotope’s charge?

A: Given atom,      Potassium-39   For a neutral atom, atomic number = Number of protons = Number of…

Q: A sample of aluminum foil contains 8.00×10238.00×1023 atoms. What is the mass of the foil?

A:

Q: What is a atomic mass number

A: Atomic mass number is associated with a single atom, that is, mass of an atom. Furthermore,…

Q: calculate the atomic mass for Sb.

A: Average atomic mass is defined as the sum of the masses of its isotope each multiplied by its %…

Q: Naturally occurring lithium is a mixture of 92.58% Li@7 with a mass of 7.016 amu and 7.42% Li@6 with…

A: Given - Sufficiency  of  Li-7  = 92.58% isotope  with mass =7.016 amu sufficiency  of  Li-6  isotope…

Q: A sample of aluminum foil contains 7.80×10237.80×1023 atoms. What is the mass of the foil?

A: Given that the number of atoms of aluminium is 7.80×1023 atoms. Number of moles of aluminium can be…

Q: How is the atomic mass unit, amu, defined?

A: 1 a.m.u. = 1.66 × 10-24 g

Q: Naturally occurring copper is a mixture of 69.17% Cu@63 with a mass of 62.93 amu and 30.83% Cu@65…

A: Given,Realtive abundance of C63u isotope=69.17%=0.6917Realtive abundance of C65u…

Q: How to determine the mass number of an atom given the atomic mass (amu)?

A: Mass number is the sum of total number of protons and neutrons in an atomic nucleus.

Q: Suppose a new element is discovered and it has two stable isotopes. One isotope has a mass of 70.387…

A: It is given that there are 2 isotopes of an element with percent abundance and atomic mass as…

Q: NUnilar ext Calcium-39 Gold-197 125 82 +1 Isotope Name (w/mass number) Atomic Number of Number of…

A: Atomic mass of any element is given following expression Atomic mass = Total number of Protons +…

Group 14 Elements

The following elements come under group 14 of the periodic table.