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.

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A: Atomic number (Z) = Number of protons Mass number = number of protons + number of neutrons

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Q: 16. Give complete symbols of each atom, including the atomic number and the mass number. a. a…

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Q: Element: Uranium Mass Abundance Abundance Number of Neutrons Number of Name of isotope (amu) (%)…

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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 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…

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

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Q: This homework is going to center around a completely made up element Maplenium. This metal has a…

A: Given data,Density of Ml=31.284lbs/dm3Mass of Ml=8.22×10-2Kg=0.18122lbsDimensions of…

Q: 256 116 But- The isotope above has type your answer. protons, type your answer. neutrons and type…

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A: The atom is represented by a general formula i.e. ZXA here,        Z = Atomic no. Which is equal to…

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A: Given, There are two isotopes of Lithium having atomic mass of  6 and 7 respectively. The weighted…

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A: A. )  Isotopes: The Elements with same atomic number but different mass number are called as…

Q: a. How many protons are in the nucleus of the isotopeRn-220?b. How many neutrons are in the nucleus…

A: a) The number of protons in the nucleus of Rn-220 has to be given, The number of protons is equal to…

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A: Given, Element : Cobalt (59Co) Mass number of Co = 59 Atomic number of Co = 27 Number of protons = ?…

Q: How many protons, neutrons, and electrons are in one atom of Zn ? O A. 30 protons, 40 neutrons and…

A: Answer option A. 30 protons, 40 neutrons and 30 electrons.

Q: The atomic weight of lithium is 6.941 amu. Lithium has only two natu­ rally occurring isotopes:…

A:

Q: 3. In discussing individual atoms öf å spe isotopes have in common, which subatomic particle…

A: 3. Isotopes have same atomic numbers but different mass numbers.  Atomic number  is determined by…

Q: Consider the isotope nickel-60 which has the following nuclear symbol, nickel-60.  Which statement…

A: The nuclear symbol is 28Ni60.

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Q: See if you can complete the following table using only what is on this page. Element Symbol Nuclear…

A: ∙ For an element, the general nuclear symbol can be represented as,…

Q: An element from the Periodic Table is shown below. The atomic mass is given. A) Give the Name,…

A: Atomic mass: Atomic mass of an element is the total number of protons and neutrons present in the…

Q: How many electrons, protons, and neutrons are there in an atom ofa40Ca?

A: In the atom 40 Ca,  Atomic number = 40  So, proton number = 40  As it is neutral so,  Electron…

Q: An element has a mass of 207 and has 125 neutrons in its nucleus. How many protons and electrons…

A: The smallest unit that retains an element's attributes is defined as an atom. Atoms can't be created…

Q: An atom with 30 protons, 30 neutrons and 30 electrons has an atomic number of:     30     27,000…

A:

Q: The atomic radii of the isotopes of an element are identical to one another. However, the atomic…

A: 1. Isotopes of an element have the same atomic number but different mass numbers. For example:…

Q: 11) To calculate the number of neutrons in an atom, you would subtract A) mass number from atomic…

A: Atomic number and mass number both can be found using number of protons and neutrons.

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: How many protons, neutrons, and electrons are there in a neutral atom of 113In (indium-113)?

A: Atomic number of indium = 49 Atomic mass of indium = 113

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: See if you can complete the following table using only what is on this page. Element Symbol Nuclear…

A: Answers to all the blanks in the table is given below.

Q: What is the mass number of an atom which is made up of 38 protons, 52 neutrons and 38 electrons.

A: Mass number = Number of protons + Number of neutrons

Q: An isotope of lead (Pb) has 122 neutrons. The mass number of this isotope is a. 204 b. 82 c. 288…

A: The solution is as follows :

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

A: