How many 7s electrons are in Ra?

Q: 2. For the  14N  Isotope identify the number of Protons,  Neutrons,  Electrons

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Q: 7. Identify for an atom of °Be: element name: Z, atomic number = A, mass number number of neutrons =…

A: Solving only first question in accordance with the guidelines.

Q: Atoms of the same element have the same number of neutrons

A: The question is based on the concept of atomic structure. we have to be determine whether atoms of…

Q: Which particle will have a charge of 1+? Protons Neutrons Electrons 1 11 12 10 1 2 3 15 16 15 4 20…

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Q: 4) Calculate the proton, electron and neutron numbers of given atoms? 20 Ca F "N

A: Concept introduction: For any element E, its IUPAC notation is represented as, EAZ. Where A : Atomic…

Q: What makes an atom of one element different from an atom of another element?

A: Every element of the periodic table has different physical and chemical properties. These properties…

Q: Can atoms of different elements have the same number of neutrons?

A: The neutral charged particles in an atom is known as neutron.

Q: Calculate a) the number of electrons b) the total mass of electrons in 1.08 x 10^25 atoms

A: An atom consists electrons and nucleus, and nucleus consists protons and neutrons. Protons are…

Q: 8. What does the atomic number of an element specify?

A: 8. Given term,      Atomic number

Q: How the number of electrons “owned” by an atom is determined ?

A: The number of electrons owned by an atom is determined by calculating the number of bonds and number…

Q: Atoms of the same element that have different atomic masses are called isotopes

A: An isotope is a variation of an element that possesses the same atomic number but a different mass…

Q: What is the most complete list of the particle(s) that are located within the nucleus of an atom? A.…

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Q: Name the sub – atomic particles of an atom.

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Q: List the components of an atom

A: An atom is the smallest particle of matter that participates in a chemical reaction other than…

Q: define atomic mass and atomic number?

A: Atomic mass is the quantity of matter contained in an atom of an element. It is expressed as a…

Q: Only two isotopes of Sb (antimony, Z=51) are stable. Pick the most likely stable isotope from the…

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Q: utral radium atom has a mass of 226 (atomic number 88) it would have neutro electrons.

A: The question is based on concept of atomic structure. We have  to calculate correct  number of…

Q: For the 3H+ Isotope identify the number of Protons,  Neutrons,  Electrons

A: The given hydrogen isotope is : 3H+

Q: An atom of an element contains 66 electrons. Which element is it?

A: The periodic table is the arrangement of elements in the order of increasing atomic number. The…

Q: An atom has a mass number of 30 and 16 neutrons. What is the atomic number of this aton Express your…

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Q: What is the atomic number of element X? 56% O a) 25

A: Atomic number  is  also called as proton number  of a chemical element  and it is defined as  number…

Q: Which atom has the largest number of neutron

A: Since no options are provided, it is assumed that the largest number of neutrons in an atom in the…

Q: (a) How many protons are found in one atom of selenium-80? protons (b) How many neutrons are found…

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Q: How many neutrons are in the nucleus of an atom that has an atomic mass of 36 and an atomic number…

A: We are given a atom, lets say X having atomic number 25 and Atomic mass = 36.

Q: Write the electron configuration for an atom with 13 protons and 14 neutrons.

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Q: What is a stable isotope of lithium? How many electrons does it have?

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Q: esc 124 51 S63- Given the atomic symbol, identify the following: A: [Select] Z: [Select] # of…

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Q: Why is the number of electrons not part of the mass number of an atom?

A: The reason for the number of electrons not part of the mass number of an atom  has to be given.

Q: Which pair of particles have the same number of electrons  Choice A: F-,Mg2+ Choice B: Ne,Ar…

A: An isoelectronic pair  is a group of ions that all have the same number of electrons.

Q: 24.1% of all isotopes of an element have a mass of 75.23 amu. 48.7% have a mass of 74.61 amu and…

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Q: What led Rutherford to believe that atoms contain a positive nucleus? none of the above some alpha…

A: Rutherford deduced that the atomic nucleus was positively charged because the alpha particles that…

Q: The major portion of an atom’s mass consists of:a. neutrons and protons.b. electrons and protons.c.…

A: Mass proton = 1.67 x 10-27 kg Mass of neutron = 1.67 x 10-23 kg Mass of electron = 9.1 x 10-31 kg

Q: Which scientist used alpha particles to determine that atoms are mostly empty space? Rutherford…

A: Scientist Rutherford used alpha particle to determine that atom are mostly empty spaced. So option…

Q: How are elements H, He, Li, Be, and B formed with the concept of atomic number

A: The elements H, He, Li, Be, and B formed with the concept of atomic number have to be given below.

Q: [d] Do the same with these five words: beta, neutron, uncertainty, decay, electron.

A: [c] Write a single sentence, using all of these five words plus other words, that makes scientific…

Q: ____ is the innermost part of an atom.

A: Nucleus is the innermost part of an atom. Central part (or  innermost part ) of an atom is known as…

Q: a sample of the element boron with have some atoms with six neutrons and some atoms with 5 neutrons;…

A: Given is a sample of biton atoms, of which some contain 5 neutrons and some contain 6 neutron. We…

Q: The atomic mass of the imaginary element Doginium is 15.542 amu. Doginium has two isotopes:…

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Q: neutron

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Q: involving alpha particles and gold foil that led to the discovery of the nucleus in atoms. The…

A: During Rutherford's experiment, most of the α particles emitted from a radioactive source bounced…

Q: How many electrons are there in an atom with an atomic number of 45 and a mass number of 95

A: Given :-  atomic number of an atom = 45  mass number = 95  To calculate :-  number of electrons in…

Q: What best describes electrons

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Q: How many electrons are there in an atom of 1?

A: The element can be represented as zXA or zAX Where z= atomic number it indicates number of protons…

Q: 7. All isotopes of an element have the same numbers of

A: Two or more atoms or elements are called isotopes when they have same number of protons (or have…

Q: Give the number of electrons in the sublevel of 6p in lead?

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Q: For the isotope 815e2- _protons neutrons electrons there are is the mass number is the atomic…

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