What is the atomic number for an element whose mass number is 115, which contains 65 neutrons per atom?

Q: the isotope of baron with mass number of 10

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

Q: Determine the number of protons and neutrons in each of the following isotopes.

A: Number of protons = atomic number  Number of neutrons = mass number - atomic number

Q: What is the mass number for an atom of mercury containing 80 protons and 118 neutrons?

A: Given, number of protons = 80 Number of neutrons = 118

Q: What is the mass number and atomic number of a chlorine atom that has 17 protons amd 18 neutrons?

A: Given that, chlorine atom that has 17 protons amd 18 neutrons then,

Q: The number of neutrons in an atom determines the type of element it is

A:

Q: Fill in the blanks. Isotope 30Si4+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope  = Si4+30 Number of proton   = ?  Number of neutron = ?  Number of electron…

Q: the sodium isotope with 10 neutrons

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

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: What is the mass number of an isotope with an atomic number of 61 and that has 68 neutrons?

A:

Q: What are the atomic number (Z), mass number (A), andsymbols for the iron isotope with 30 neutrons?

A: Given that  Atomic number denotes = Z  Mass number denotes = A  The relation between atomic number Z…

Q: Beryllium has an atomic number of 4 and a mass number of 10. From this you can determine Beryllium…

A:

Q: Consider the atom with the chemical symbol Ru. What would be the mass number for an atom of Ru which…

A: Mass number is  the sum of the numbers of protons and neutrons present in the nucleus of an atom..…

Q: What is the mass number for an atom of barium containing 56 protons and 80 neutrons?

A: Atomic number = Number of protons  Mass number = Number of protons + number of neutron Given that:…

Q: What is meant by neutrons ?

A: The minute particle of a substance is called as an atom. Atom consists of subatomic particles.…

Q: An atom has a mass of 52 amu and 24 electrons. How many neutrons are in this atom?

A: Neutron is a subatomic particle which do not contains any charge and is neutral. It is denoted by…

Q: Besides number of neutrons, what else do isotopes of the same element have that is different?

A: Isotopes are the variation of chemical elements that have the same number of protons but a different…

Q: What can you say about the number of neutrons in the stable isotopes of fluorine, sodium, aluminum,…

A:

Q: What is the atomic number for an element whose mass number is 196, which contains 116 neutrons per…

A: Given : mass number of element =196.                   Number of neutrons =116 To find : Atomic…

Q: Which subatomic particle determines the atomic number?What determines the mass number?

A: Atom is the fundamental unit of a chemical compound or matter. An atom consists a nucleus in which…

Q: How is the mass number related to the number of protons and neutrons an atom has?

A: The nucleus of an atom contains three sub-atomic particles. These are protons, neutrons and…

Q: Fill in the blanks. Isotope 76AS3- has: Number of protons Number of neutrons Number of electrons…

A:

Q: What is the mass number for an atom of calcium containing 20 protons and 21 neutrons?

A: The mass number of an element is the sum of the number of protons and the number of neutrons of that…

Q: What is the atomic number of an element whose mass number is 78, which contain 50 neutrons per atom?

A: The atomic number of an element represents the total number of protons present in the nucleus of the…

Q: An isotope of element A contains the same number of neutrons as are found in an atom of $1V. The…

A: Atomic number of the elements indicates the number of protons present in the particular atom.  Mass…

Q: An unknown element contains 79 neutrons, 54 electrons and has a mass number equal to 135, the…

A: The total number of protons and neutrons is known as mass number. The mass number of the given…

Q: What is the atomic number for an element whose mass number is 138, which contains 80 neutrons per…

A: Given : Mass number = 138  And number of neutrons in 1 atom = 80

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

A:

Q: If Chlorine has an atomic number of 17 and an atomic mass of 35, how many protons, neutrons, and…

A: Given that, Atomic no. of Cl = 17 Atomic mass of Cl= 35 then,

Q: An atom containing 19 protons, 20 neutrons, and 19 electrons has a mass number of?

A: Given, Number of protons = 19 Number of electrons = 19 Number of neutrons = 20

Q: An isotope that contains 51 protons, 51 electrons, and 74 neutrons. What is its two notations?

A: Isotopes are those elements which have same atomic number but different mass number.   Atomic number…

Q: If an element has a mass number of 34, and 18 neutrons and 18 electrons...what is the symbol, number…

A: The number of protons in an element is known as the atomic number of the element. The number of…

Q: What is the mass number of an isotope

A: Mass number is equal to sum of mass of atomic number and number of neutron

Q: In an atom, the mass number gives the number of ________ and _________ in the nucleus. Fill in the…

A:

Q: Write the isotope symbol that fits the description, using a superscript for the mass number and a…

A:

Q: Does an isotope have the same number of protons or neutrons?

A: Isotopes = Element with same Atomic No but different atomic mass are termed as Isotope  e.g. Two…

Q: An isotope of uranium is 238U. How many protons, neutrons and electrons are in this isotope?

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: How many neutrons are there in an atom of iron with a mass number of 52?

A:

Q: how to rank the isotopes in order of increasing number of neutrons

A:

Q: What is the mass number for an atom of osmium containing 76 protons and 112 neutrons?

A: The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of…

Q: What is the mass number of an isotope?

A: Isotopes are those atoms which having same elements and they are having protons of same number and…

Q: An isotope that contains 4 protons, 4 electrons, and 6 neutrons.

A: Atomic number (Z) is equal to number of protons Mass number (A) is the sum of number of protons and…

Q: an oxygen atom with 10 neutrons

A: An oxygen element is a non-flammable element and exist in various isotopes. For the same element,…

Q: Determine the mass number of an atom that has 56 electrons and 82 neutrons 

A:

Q: A se atom has a mass number 78. Determine the number of neutrons, electrons and protons in this…

A: Selenium atom:In this atom, the atomic number illustrated by subscript and the mass number…

Q: How many neutrons are there in this element?

A: Given : We have to tell number of neutrons in the given element.

Q: What is the difference between mass number and atomic number?

A: Atomic number:The atomic number of the element is the number of protons present in that element.Mass…

Q: Fill in the blanks. Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope    = Mg2+24 Number of proton    = ?  Number of neutron  = ?  Number of…

Q: In the isotope that has an atomic number of 9, mass number of 18, and charge of -1, there are:…

A: Given that: Atomic number = 9 Mass number = 18 Charge = -1

Group 14 Elements

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