An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is •. It becomes • when it has 4 protons, 2 electrons and 5 neutrons.

Q: In what ways are isotopes are alike? In what ways are they different?

A: Isotopes are the atoms of same element having the same 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: 72 For the elemental symbol Ge, how many neutrons are present?

A: We are given  G3272e mass number=72 Atomic number=32 atomic number = number of proton=32

Q: The nucleus, the massive center of an atom, contains which two particles?

A: Nucleus is the massive part of any atoms . It contains mostly all the mass any element. Nucleus was…

Q: Calculate the atomic mass of element "X", if it has 3 naturally occurring isotopes with the…

A:

Q: Of the three subatomic particles, a(n)  has a charge but negligible mass, whereas a neutron has mass…

A: To find: From the subatomic particles : a) n has a charge but negligible mass b) a neutron has mass…

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

A: Given,  An isotope of element A contains the same number of neutrons as are found in an atom of 51V…

Q: What is the mass number of an isotope with an atomic number of 56 and that has 75 neutrons?

A: Mass number is the atomic mass of an atom. It is the sum of no of protons and no of neutrons present…

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

A:

Q: What is the symbol for an atom of Cd that has 13 extra neutrons and what is that called ?

A: Cd is present alongwith Zn and Hg i.e. it is kept in d-block although it is not a typical d-block…

Q: Q the number of protons in the nucleus of an atom is 8, while the number of neutrons in the nucleus…

A: zXA   where  X = Element Z = atomic number = no. of protons  A = Mass number    and A = p + n  p =…

Q: What is the atomic number for an element whose mass number is 115, which contains 65 neutrons per…

A: Welcome to bartleby ! We have to tell atomic number

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 meant by neutrons ?

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

Q: A helium nucleus has two protons and two neutrons. How many electrons does it take to equal the mass…

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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: Magic numbers are associated with protons and neutrons in a nucleus. State the magic numbers for…

A: . There are many factors that give to nuclear stability.  These are,   Full nuclear shell (magic…

Q: Which of the following hypothetical isotopes have the same mass number? Note: the number before the…

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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: If a neutral atom of an element has 19 electrons and 14 neutrons, its atomic mass is??

A: Given  Number of electron = 19 Number of neutron = 14  atomic mass = ?

Q: An element 'A' contains 15 protons, 15 electrons and 16 neutrons. it is |. It becomes when it has 15…

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

Q: What is the mass number of an atom of calcium that has 21 neutrons?

A: We know ,  Mass number of an atom = number of proton + number of neutron

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

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Q: - Rubidium has two naturally occurring isotopes, Rb-85 (rēlat and Rb-87 (relative mass 86.9092 amu).…

A: 35) Average atomic mass can be calculated by multiplying the % abundance of the isotope with…

Q: 47 How many protons and neutrons are in an atom of Sc ? Number of protons = ? Number of neutrons

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Q: Magnesium has three isotopes with mass numbers 24, 25, and 26. (a) Write the complete chemical…

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

Q: What is the difference between protons and neutrons?

A: We have to write the difference between protons and neutrons.

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is + . It becomes when it has 4…

A:

Q: An ion of platinum has a mass number of 195 and contains 74 electrons. How many protons and neutrons…

A: Given data: The mass number of platinum ion=195 Number of electrons present in platinum ion=74 To…

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: 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: Select the single best answer. For this pair of elements (F and Se), predict which one has more…

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Q: Given these two atoms, are they isotopes of the same element? Select one: a. No, since they don't…

A: The atoms with the same number of protons but the different number of neutrons or mass numbers are…

Q: An atom of a carbon-14 isotope would contain how many protons, neutrons, and electrons?

A: The correct answer is given below

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: 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: What are the number of protons, neutrons, and electrons in the following isotopes?

A: Atomic number of an element is equal to the number of protons present in it which is written as…

Q: Define the terms Neutrons, Protons, and Nucleus?

A: The atom has three fundamental particles known as neutron, proton, and electrons.

Q: Two different atoms are isotopes if they have: the ame number of protons, but different number of…

A:

Q: An element 'A' contains 4 protons, 4 electrons and 5 neutrons. it is It becomes • when it has 4…

A: The question is based on the concept of atomic structure. by looking at proton,  neutron &…

Q: What would be the approximate mass of a particle that has 48 electrons, 46 neutrons and 52 protons?

A: No of electrons = 48 No of neutrons = 46 No of protons = 52

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

Q: Q:) the number of protons in the nucleus of an atom is 8, while the number of neutrons in the…

A: An atom consist of 3 fundamental particles electron, proton and neutron. In a neutral atom number of…

Group 14 Elements

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