Use the atom builder interactive to determine whether each nucleus is stable or unstable.

Q: Estimate the optimal number of neutrons for a nucleus containing 70 protons.

A: The neutrons and protons, the contents making the nucleus of an atom determine its stability.…

Q: Explain the nuclear theory of the atom ?

A: Atom is the smallest, tiny indivisible particle of any matter. There are three fundamental subatomic…

Q: Explain the structure of an atom, including its main particles

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Q: Determine the charge and made of nuclei in amu made up of the following: 6 protons and 6 neutrons…

A: 1) The nuclei is having 6 protons and 6 neutrons Since the charge of proton is +1 and charge on…

Q: 1. Changing the number of positively charged protons in the nucleus of an element would form T a) a…

A: 1) an atom consist of positive charge proton , negative charge  electron and neutral neutron  Atomic…

Q: "An neutral atom of 94Be has_____ protons, ____ electrons, and _____ neutrons."     4, 5, 4…

A: The atom given is 94Be.

Q: What is a quark?

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Q: How was the overall charge distributed in the plum pudding model?

A: The overall charge is evenly distributed in the plum pudding model.

Q: What is radioactive decay? A.theprocess by which an atom of an unstable element can gain stability…

A: The spontaneous emission of radiation from an element is called radioactivity. The elements which…

Q: Why are some atoms radioactive?

A: The radioactive nuclei are unstable and have an excess number of either protons or neutrons in the…

Q: What is the atomic mass unit?

A: Solution- The atomic mass), we can also defined this as mass of the single atom .

Q: beryllium has a nucleus composed of protons and neutrons. Given the data, how many protons are in a…

A: Beryllium (Be) is an element with group number 2 and period number 2.  The atomic number (Z) of…

Q: Indicate whether each of the following statements about the nucleus of an atom istrue or false.a.…

A: Nucleus consist of proton and neutron. Electron revolve around the nucleus in a certain closed path…

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 have the same number of protons

A: Yes, atoms of the same element contain the same number of protons. Since an atom of one element can…

Q: What composes the nucleus of an atom?

A: There are three basic particles present in an atom.  These are : electron (represented by e), proton…

Q: A 25g sample of an element had 2.895x 10^23 atoms. Identify it

A: Given: mass of element = 25g number of atoms = 2.895 x 1023 To determine: The identification of the…

Q: Some isotopes of iodine are radioactive, but others are not. When we speak of two isotopes of an…

A: Isotopes are different forms of a chemical element which have the same atomic number (number of…

Q: es to access important values if needed for this question. A certain element consists of two stable…

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Q: How is stability in atoms achieved?

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Q: An atom has an atomic number of 12 and a mass number of 26. Another isotope of this atom could have

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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: For each representation of a nucleus A through E, write the atomic symbol, and identify which are…

A: Those chemical species in which the atomic number is same but there is a change in the atomic mass…

Q: The element neptunium (Np) has a radioactive isotope called 237N.. 237NP can undergo alpha deca to…

A: Given reaction: N237p → ? + H4e We have to find the missing atom.

Q: ACTIVITY # 5 DIRECTIONS: COMPLETE THE TABLE: Element or lon Atomic umber Mass Number of Protons of…

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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 is the charge of the nucleus of element 89?

A: The number of protons corresponds to the charge of the nucleus since Neutrons have no net charge, it…

Q: Part C In the PhET simulation, make sure that the checkbox Stable/Unstable in the bottom right is…

A: We have find out the answer.

Q: How many neutrons are in the nucleus of the atom 113 Cd? 48

A: We have given that  The element is cadmium    Atomic number of cadmium = 48 Given that mass of…

Q: Use the concept of charges to explain why an alpha particle fired toward the nucleus is deflected…

A: Solution :      Rutherford's performed a gold foil scattering experiment to explain the structure of…

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

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Q: Describe the general structure of the nuclear model of the atom

A: Rutherford's atomic model is known as the general structure of the nuclear model of atom. This model…

Q: For Barium-138, determine the nuclear radius and volume of the Barium-138 nucleus

A: It is the size of nucleus on assuming that shape of nucleus is spherical .

Q: Which subatomic particle identifies an atom as that of a particularelement?

A: The sub- atomic particles are smaller than the atoms and these constitutes to form an atom.…

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: Atomic radius decreases as you move left to right even though there are additional protons ,neutrons…

A: As we move across the period the atomic number increases and the mass number also increases. Hence…

Q: Click "atomic mass" on the balance. This reading reports the mass of the particle in atomic mass…

A: C-12 has mass of  12 amu C-13 has mass of 13 amu

Q: Which are the three basic parts of the nuclear theory of the atom?

A: The nuclear theory of the atom is given by Rutherford which has the following basic parts. In the…

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

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Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.