QUESTION 1 What is the atomic number of an element with 7 protons; 7 electrons and 8 neutrons? O 8 O 14 O 15

Q: How does the radioactive isotope C-14 differ from its stable counterpart C-12? It has a different…

A: C-14 - It has the same number of protons but two more neutrons than C-12 so option - H is correct as…

Q: Use the atom builder interactive to arrange each atom or ion by mass number. Largest mass number…

A: Mass number: The atomic mass of elements depends on the number of protons and neutrons. The total…

Q: Question attached

A: Complete the table Element Nuclear symbol Atomic number Mass number Proton Neutron Electron…

Q: CHEMWORK Complete the following table, including the mass number and the atomic number, with the…

A: o complete the table, you'll need to calculate the atomic number, mass number, and write the isotope…

Q: Which statement correctly compares an atom of boron-11 and an atom of carbon-14? Group of answer…

A:

Q: Part A Of the following statements, which are true? Select all that apply. All platinum (Pt) atoms…

A: Note : As per our guidelines we are supposed to answer only? 3 sub-parts. Please post the remaining…

Q: Fill in the missing numbers A germanium-74 nucleus contains 32 42 neutrons. protons and A Pu nucleus…

A:

Q: What elements are in the mystery star #15? Helium Hydrogen Sodium Lithium O lithium and helium O…

A: The spectra of elements given are,

Q: Atoms of isotopes of the same element are identical in which of the following aspects? A Mass number…

A: Isotopes are the element that have the same number of protons and electron but different numbers of…

Q: Symbol Protons Neutrons Electrons

A:

Q: If a scandium atom has 24 neutrons and an atomic number of 21, then what is its mass number? Select…

A: For a neutral atom,Atomic number = No. of protonsNo. of protons = No. of electronsMass number = No.…

Q: Numbe Electro Atomic Number of Number of Total Electric Isotope Name (wimass number) Number Neutrons…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: Complete the table below, using the diagram of an atom shown at right. Properties of subatomic…

A: Protons, neutrons, and electrons are the fundamental building blocks of atoms, the tiny building…

Q: Which of the following elements is generally not found in the diatomic form in nature? O C ON O F…

A:

Q: Complete the following table for an isotopically labeled atom or ion: Complete the following table…

A: Given incomplete table is :  Complete the given table ?  Number of protons (p) = Atomic number (Z)…

Q: QUESTION 6 Which of the following is a fundamental particle (not made of smaller particles)? O…

A: All the matter is composed of atoms. The atom can be divisible into smaller particles.

Q: How many electrons, protons, and neutrons are there in the ion of the hypothetical element 445AZ3+?…

A: The general representation of a tripositive ion is : X3+ZA Here, X is the symbol of ion, A is the…

Q: Element L M 35 45 80 Atomic Number 30 O 115 Mass Number 80 Protons 35 Neutrons What is the number of…

A: Recall the data for element "M", Mass number =80 Protons =35 Charge = -1 Number of neutron = ?

Q: Determine the number of neutrons, protons, and electrons for a bromide ion that has a mass number of…

A: Atomic symbol of bromide ion = Br- Mass number = 78  Number of(protons + neutrons)= mass  Atomic…

Q: How many neutrons are present in an atom of tin that has an atomic number of 50 and a mass number of…

A: Atomic number is given by the number of protons present in the element. It is also known as proton…

Q: Find the number of electron and neutrons in the following: 197AU*3 Electrons Neutrons

A:

Q: how many protons neutrons and electtrons are in 119Sn2+

A: Elements are represented by a chemical symbol, with the atomic number and mass number written to it…

Q: Page |99 SUBATOMIC PARTICLES AND ISOTOPES Complete Symbol Atomic Mass Number of Number of Number of…

A:

Q: Please help questions! 1)An ion of potassium has a charge of +1. How many protons and electrons does…

A: Given, cation K+ and Anion O2-  For ions, Number of electrons is equal to atomic number minus the…

Q: Note that some of the elements in the table are isotopes. Circle the symbols of the isotopic ones.…

A: In neutral atom, Atomic number = number of protons = number of electrons   Mass number = atomic…

Q: What is the correct ranking of an electron, neutron, and proton in terms of their mass? Group of…

A: protons and neutrons are  both very similar to each other  and have a much greater mass than…

Q: QUESTION 16 The first evidence that isotopes exist was the discovery of elements O with the same…

A: Isotopes are the atoms  having same atomic number but different  atomic  masses . They differ in the…

Q: Fill in the table with the atomic information of the following given elements. In the second column,…

A: This problem can be solved from the concept of the structure of the atom.

Q: QUESTION 12 An isotopes of an element occurr with equal frequency. O True O False

A: Applying definition of isotope.

Q: QUESTION 3 f the atomic number of an element is 12 and its atomic mass is 25; you could conclude…

A: Given Atomic  number and  mass number  For neutral  atom Protons = electrons = Atomic  number…

Q: Element Atomic Symbol Symbol Be 121 Sb 51 Atomic Mass Number Number 8 Protons Neutrons Electrons 51…

A: -> Atomic number = number of proton = number of electron (for element) -> Atomic mass = proton…

Q: Element Name Osmium Barium Atomic symbol Os 3+ Mass number 140 Protons 14 Neutrons 111 15 Electrons

A: Due to the fact that they are calculated by counting entire objects, the atomic number and mass…

Q: What is the correct ranking of an electron, neutron, and proton in terms of their mass? O n° < p* <…

A:

Q: Substance C has 15 protons, 15 electrons, and 15 neutrons. Substance D has 15 protons, 15 electrons,…

A: Given: C has 15 protons, 15 electrons and 15 neutrons. And substance D has 15 protons, 15 electrons…

Q: A new isotope is discovered that has a mass of 25 amu and 15 neutrons. What is the elemental…

A: Given that, Mass = 25 amu No. of neutron=15 Element ?

Q: How many neutrons are present in a Mg atom? Select the correct answer below: 13 O 12 O 15 O 17

A: The atomic symbol of the magnesium is: The atomic number of magnesium is 12, it states that the…

Q: Mass #: sum of protons (+) and neutrons Net Charge: difference between # of protons (+) and # of…

A: Given table is represented as follows:

Q: If you know ONLY the following information, can you ALWAYS determine what the element is? Number of…

A: Atoms are made up of protons, neutrons and electrons.

Q: Let's consider an isotope of an element X with the following atomic symbol: 42 X 20 Answer the…

A: For a neutral atom, the number of protons must be equal to the number of electrons.

Q: 200 What conclusions can you draw from this graph? 180 Atomic radius 160 140 120 100 Na Mg Al Si P…

A: Since you have asked have multiple questions, we will answer only first question for you. In order…

Q: When an element has Atomic Number = 26 and 29 neutrons, what element and isotope is this? Group of…

A: Representation of an element zXA X = element , Z = atomic number , A = atomic mass    A = p + n…

Q: Find the number of electron and neutrons in the following: 112Cd-2 Electrons Neutrons

A: Electrons= 46 Neutrons= 64

Q: Picture attached

A: The complete table has to be given.

Q: How can we write the correct symbol with the mass number and atomic number?

A: Atom is a smallest particle which cannot be further divided into small particles. Atomic number is…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.