The radioactive nuclide with the symbol 75Se is used to measure the shape of the pancreas. What is its atomic number and mass number? How many protons and how many neutrons are in the nucleus of each atom? Write two other ways to represent this nuclide.

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: Write the following isotopes in hyphenated form (e.g. "carbon-14") 238U O 1) Uranium - +3 2)…

A:

Q: 5. Which of the following information can be determined from this isotope: sodium 23 L # of protons…

A: The isotope given is Sodium-23. Since the element is mentioned as sodium. Hence the atomic number of…

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

Q: How many protons, neutrons and electrons are in the following nuclide symbol. 209 83Bi 3 O 82…

A: •Number of protons = atomic number  • Number of neutrons = mass number - atomic number • Number of…

Q: Which best describes isotopes? A. Same number of neutrons, different number of electrons B. Same…

A: atoms of the same element have the same number of protons, but some may have different numbers of…

Q: For heavier nuclei (Z > 40), which of the following describes the relative number of protons and…

A: Heavier nuclei have atomic number greater than 40. We are given the graph of Number of…

Q: Which of the following isotopes has the highest number of neutrons? 105 Pd 46 O 25 Si 14 41 K 19 104…

A: We know that, No. of neutron = mass number - atomic number thus,

Q: Determine the number of protons and the number of neutrons in isotope. 147N

A: Protons and neutrons are present in the nucleus and collectively known as nucleons. Protons are…

Q: 32. Americium­241 is used in household smoke detectors. This element has 11 known isotopes, none of…

A: Given  Atom = Americium - 241  Number of proton , neutron , electron = ?

Q: How many protons, neutrons and electrons are in the following nuclide symbol. 209 83Bi 3 82 protons,…

A: NOTE: please note none of the options given is correct. I have solve the question correctly and…

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

A: Number of proton = Number of Electron.  Mass Number(A) = proton  + neutron . Number of proton =…

Q: . How many protons, neutrons, and electrons are there, respectively, in 69Se2- ?

A: Given    Element = Se   Number of proton , Neutron , electron  = ?

Q: There are two naturally occurring isotopes of europium, 151Eu (151.0 amu) and 153EU (153.0 amu). If…

A: Given : There are 2 naturally occurring isotopes of europium. Mass of 151Eu = 151.0 amu Mass of…

Q: Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. The atomic mass of copper is…

A: When there is more then one isotope then the molecular weight becomes fractional due to average…

Q: what is the proper name for the nuclide of nitrogen that has 7 protons and 7 neutrons

A: Given that, no. of proton = 7 no. of neutron = 7 then,

Q: Calculate the number of protons, neutrons, and electrons in 16 g of Si-28. The isotope Si-28 has a…

A: Moles of Si present = mass of Si taken / Atomic mass of Si = 16 / 27.977 = 0.572 approx  Hence the…

Q: How many protons and how many neutrons are there in a nucleus of the most common isotope of (a)…

A: Atomic number: The total number of protons in the nucleus of an atom gives us the atomic number of…

Q: 3. A) Boron, element number 5, exists in only two common stable isotopes. They are B-10 and B-11.…

A: A) Given : There are only 2 naturally isotopes of boron i.e B-10 and B-11. The average atomic mass…

Q: 2. In the previous example, you added 4 Boron-11 isotopes to 1 Boron-10 to make the average atomic…

A: given, to form a mixture, we added number of boron-11  = 4  number of boron- 10 = 1

Q: What is the symbol for the isotope of "Fe that possesses 31 neutrons? Express your answer as a…

A: To find: The symbol of the isotope of  55Fe which posses 31 neutrons.

Q: "How do the isotopes of argon, Ar-36, Ar-38, and Ar-40, differ from each other? Write the nuclear…

A: Isotopes: Isotopes can be defined as one of two or more species of atom with same atomic number but…

Q: How many protns, neutrons and electrons are in a 80Se2- nuclear symbol?

A: The given element is Selenium. We have to calculate the number of protons, electrons, and neutrons…

Q: What is the mass of iridium 2 most common isotopes and the numbers of protons and neutrons in each…

A: The elements which has same atomic number but different mass number is known as Isotopes. Iridium…

Q: How many protons, neutrons, and electrons are in the following? a. 1 atom of iodine-127 b. 1 atom of…

A: Solution : 1)The atomic number of Iodine is 53 which tells us that it contains 53 protons in its…

Q: How many protons are there in Lithium -7

A: In S-block alkali metal elements consists of first lithium metal having the symbol Li with atomic…

Q: Complete the first row of the table with the number of protons, neutrons, and electrons for 28Si.

A: Complete the first row of the table with the number of protons, neutrons, and electrons for 28Si.

Q: What is the symbol for the isotope of 55Fe that possesses 31 neutrons? Express your answer as a…

A:

Q: What is the symbol for the isotope of 55 Fe that possesses 31 neutrons?

A: In isotope 55Fe there are 26 protons because the atomic number of Fe is 26, and the number of…

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How…

A:

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: The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16% 69GA and…

A:

Q: Part A Determine the number of protons and neutrons in each of the following isotopes. Enter your…

A: Part B Given    87Fr223  To find number of protons Np and number of neutrons Nn .

Q: 2.64 How many protons, neutrons, and electrons are in each of the following atoms? (a) 15N (d) 'Ce…

A: Given atoms are neutral atoms. (a) 715N (b) 2760Co (c) 53131I (d) 58142Ce

Q: Explain the difference between an atom of xenon-130 and an atom of xenon-136. Give how many protons,…

A: Given :-  Two isotopes of xenon i. e.  Xenon-130 and Xenon-136  To explain :- difference between two…

Q: 1. Which isotope in each pair contains more neutrons? a. chlorine-35 or sulfur-33 b. fluorine-19 or…

A: Mass number = number of proton+ number if neutron Number of proton = number of electron Number of…

Q: Calculate the number of protons neutrons and electrons in 84Kr36

A: The below points should be kept in mind always to solve this type of problem. The mass number is the…

Q: How many protons, electrons, and neutrons, respectively, does 129Cs have?

A: Since we know that  Mass Number = Number of Protons + Number of neutrons  And  Atomic Number =…

Q: There are protons, neutrons, and electrons in 147₁ Hs+5

A: Atom is composed of three subatomic particles, which are electrons, protons and neutrons.  Protons :…

Q: How many protons, neutrons, and electrons, respectively, are in 57Co2+?

A: Given ion,         57Co2+ ion The atomic number of cobalt is 27.

Q: There are two naturally occurring isotopes of europium, 151Eu(151.0 amu) and 153Eu(153.0 amu). If…

A: Given information:Two isotopes of europium, 151Eu (151.0 amu) and 153Eu (153.0 amu)Atomic mass of Eu…

Q: These isotopes 2. Sulfur exists in nature as three isotopes. If the atomic have isotopic masses…

A:

Q: Oxygen, whose atomic number is eight, has three stable isotopes: 16O, 17O, and 18O. Explain what…

A:

Q: How many protons and neutrons are in 37Cl?

A: The smallest unit of ordinary matter that makes up a chemical element is an atom. Every solid,…

Q: Which of the following has 61 neutrons, 47 protons, and 46 electrons? O 108 Ag+1 108Cd*1 B0Pm O…

A:

Q: What is the name of this element, and how many protons and neutrons does this isotope have in its…

A: The objective of the question is to write the name of the given element and to find the number of…

Q: How many protons, neutrons, and electrons are there in a neutral atom of Tc (technetium-97)?

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: How many protons, neutrons, and electrons are present in 108 47X ?

A: Given Element = X         Mass number     = 108  Atomic Number        =  47  Number of proton    =…

Q: The amount of carbon-14 in ancient artifacts and fossils is often used to establish their age.…

A: SOLUTION: Step 1: The atomic number of carbon is 6. The number of protons is equal to its atomic…

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.