Which of the following statements best describes the role of neutrons in the nucleus? The neutrons stabilize the nucleus by balancing charge. The neutrons stabilize the nucleus by attracting electrons. The neutrons stabilize the nucleus by acting as "nuclear cement". The neutrons stabilize the nucleus by forming bonds with other neutrons.

Q: Explain how it is possible for one element to have a higher atomic number than another and yet have…

A: Atomic mass of any element is actually its average atomic mass which is calculated by the addition…

Q: An element "X" is an alkaline earth metal and reacts with element "Y" which is a halogen. What is…

A: The ionic compound formed when alkaline earth metal reacts with halogen given below.

Q: The periodic table is organized such that elements in the same group have the same ionic charge.…

A: All elements have a tendency to attain filled valence shell. Hence, elements react to attain a…

Q: Consider an ion with the symbol Y³ formed from a representative element (Y is an unknown element,…

A:

Q: tion 25 of 39 103 Ru protons: neutrons: electrons 34S

A: Calculate the number of proton, neutron and electron -

Q: The following table gives numbers of electrons, protons, and neutrons in atoms or ions of a number…

A: Given find the ions on species A , B and C

Q: Which element has a chemical properties that are most similar to potassium? Cesium Sulfur Nitrogen…

A: The vertical column of the elements which are present in the periodic table is known as groups. Each…

Q: The mass spectrometer may be used to A. Electrolyze water B. Detect the presence of isotopes C.…

A: We need to find where mass spectrometry can be used.

Q: Which of the following statements about atomic structure is true? O The periodic table arranges…

A: Dear student I have given answer to your question in the image format.

Q: 2.) What is the number of free electrons per copper atom? Assume a density of 8.9 g/cm3 and an…

A: Here, in this question we have to calculate the number of free electron in copper atom. according to…

Q: Write a isotope symbol for An ion with 17 protons, 18 electrons, 20 neutrons

A: Isotopes of an atom have same number of protons but differ in the number of neutrons, so isotopes…

Q: Symbol Atomic number charge Mass number Electron number Neutron number Proton number w m 16 127 53…

A: Mass no.= Number of protons + Number of neutrons Atomic number = Number of protons

Q: Which elements are considered to be representative elements?

A: Whole periodic table classified into 3 parts:-  Transition elements  Representative elements…

Q: Protons and neutrons have Mass .......... .... wwwww less O equal O high O Other O specific metal…

A: Atomic weight = 180gm/mole Density =16.6 gm/cm^3 ->it is BCC structure.

Q: These are held more tightly from left to right across a period, resulting in smaller ions. A.…

A: Atomic/Ionic size :-  The distance between centre of the nucleus and the electron density in…

Q: Which of the following statements are true of the chemistry of Group IV elements of the Periodic…

A: In a periodic table, elements are arranged on the basis of atomic number and then accordingly their…

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does…

A: Chemical properties of any element depends on the number of valence electron the element is having.…

Q: explain argon electron affinity according to slaters rules

A: Every atom has certain number of electrons depending in the atomic number of the element. The number…

Q: Choose one element on the periodic table and get all its isotopes, proton-rich isotopes, and…

A: Since the isotopes of an element have the same atomic number and have a different atomic mass.

Q: The identity of a nucleus is determined by its   A. proton #   B. radioactive intensity   C.…

A: Nucleus of an atom contains proton and neutron.

Q: Which of the following is the most important factor in determining the chemical properties of an…

A: Atoms consists of protons, electrons and neutrons

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Titanium is an element which has symbol Ti and atomic number 22. Its atomic weight is 47.867 amu. It…

Q: Amazing news! Chemists have just discovered a brand new element on an asteroid. Calculate the…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Given : Isotope Abundance Mass (u) 46Ti 75.500% 45.95263 48Ti 12.500% 47.94795 50Ti…

Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: The category of includes the majority of the elements on the periodic table. : Metals : Nonmetals :…

A: Periodic table comprises 18 groups and 7 periods. Metals are present on the left side of the…

Q: Which element is not a main-group element?a) Se                      b) Mo                     c) Sr…

A: Main-group elements: S-block and P-block elements are knows as main-group elements. They are,…

Q: A biochemist who is studying the properties of certain sulfur (S)–containing compounds in the body…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Potassium imparts a ________________color under the cobalt glass test. light green carmine red…

A:

Q: What is used as basis for the better arrangement of elements in the periodic table and the key to…

A: Basis for the better arrangement of elements in the periodic table and the key to the discovery of…

Q: Use the information from the graph to detemine the average atomic mass and theidentity of the…

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Q: 7. During reactions, the element Na gives up one of its electrons to become the cation, Na+. Which…

A: Given,  Na+

Q: Which of the following elements would you expect to have chemical properties most similar to those…

A: on the basis of the periodic table, we can say that the elements that belong to the same group have…

Q: 18O2- and 20Ne have the same number of   Question 13 options:   protons   electrons   electrons…

A: In neutral atom number of electrons and protons are equal to atomic number.  And mass number is…

Q: Which pair of elements do you expect to be the most similar? a. Molybdenum and Tin b. Nitrogen and…

A: Given,  a. Molybdenum and Tin  Electronic configuration of Mo = [Kr]4d55s1  Electronic configuration…

Q: What is the atomic number of an ion with a -2 charge when it has 18 electrons? a)40 b)18 c)20…

A: Introduction :  We have to tell the atomic number . Atomic number is sum of electron and protons .

Q: Which one of the following species has a many electrons as it has neutrons? Select one: а. 14с b.…

A: In the nuclide symbol of an atom, Z-represents the atomic number which is number of protons present…

Q: Which one of the following is the charge of an ion with protons 22 and 20 electrons? а. -2 O b. -1 О…

A: Atom is the smallest particles by which matter is formed. Atom consist mainly proton, neutron and…

Q: What aspect of an element does the number of neutrons solely determine? its mass its identity its…

A: Number of neutron fixed in an element

Q: Name each of the following oxides. Assuming that the compounds are ionic, what charge is associated…

A: Naming of ionic compound:Most cations and anions can combine to form neutral, solid compounds that…

Q: The chemical properties of an element generally depend on:     The atomic mass of the element…

A: Chemical properties are those properties which involve the breaking and formation of the chemical…

Q: Which of these types of elements will form anions?     the transitional metals     halogens…

A:

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

A: Given True/False  Statement:-

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

Q: 1. How does ionization energy change as you move from left to right across a period? Explain your…

A: Ionisation energy is defined as energy required  to remove an electron from outermost shell of atom.

Q: What is the name and symbol of the element?

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

Q: Isotopic Notation. Complete the table below. Where isotopic notation is required, enter the complete…

A: Representation of an isotope is given as: XnZA where, 'A' is the mass number, 'Z' is the atomic…

Q: The periodic table is organized such that elements in the same group have the same ionic charge.…

A: To specify the group whose element has 3 –, 2 – and, 1 – ionic charge on it.

Q: What is the atomic number of an ion with a -2 charge when it has 18 electrons O A. 20 В. 16 О С. 24…

A: Atomic number is defined as the number of protons in a nucleus of any atom. It uniquely identify the…