OBo and F have the same number of neutrons. O"c and "N are isotopes of each other because their mass numbers are the sam o- has the same number of electrons as "Ne. DA and B A and C

Q: (a) What isotope is used as the standard in establishing the atomic mass scale? (b) The atomic…

A: a)Atomic mass scale: It is relative scale used to determine the elements mass relative to…

Q: Of the three subatomic particles, a(n)  has a charge but negligible mass, whereas a neutron has mass…

A: To find: From the subatomic particles : a) n has a charge but negligible mass b) a neutron has mass…

Q: . An element has three stable isotopes with masses of 27.977 amu, 28,976 amu, and 29.973 amu. The…

A:

Q: 103 A neutral atom of rhodium-103 (0Rh) contains how many protons, neutrons, and electrons?

A: Given,  A neutral atom = Rhodium  (a). How many protons = ? (b). How many electrons = ? (c). How…

Q: The mass of a protan is 1.00728 amd and thad ofa neutron is. 1.00817 amu. What is Co mideus? IThe…

A:

Q: Complete the following table: Symbol.               69Ga+3.          ------ # of protons.…

A: Atomic number (Z) = Number of protons. Number of protons = Number electrons ( for uncharged species)…

Q: Bromine also occurs in nature as two isotopes. What is the specific mass of each isotope? What is…

A:

Q: If mass # is 141 and the # of protons 58, what is the atomic symbol and the # of neutrons?

A: Given:The mass number  of atom = 141 The no of proton = 58

Q: Copper has only two naturally occurring isotopes, Cu-63and Cu-65. The mass of Cu-63 is 62.9396 amu,…

A: The relative abundance of each isotope of an element can be determined using the following formula:…

Q: A common isotope of Li has a mass number of 7. The atomic number of Li is 3. How can this…

A: The lithium atom has atomic number three, and the number of protons in the nucleus of lithium is…

Q: (i) What is the mass of a neutron? (ii) What is the charge of a neutron?

A: Neutron is a subatomic particle as like proton. It is found in the nucleus along with proton and it…

Q: Uranium exists mainly as two isotopes in nature, possessing mass numbers 235 and 238. Write the full…

A: The atomic number of Uranium is 92. Hence number of protons in both isotopes = atomic number = 92

Q: What subatomic particles will be found in the nucleus of an atom ?

A:

Q: Which statement about subatomic particles are true? Protons have twice the mass of neutrons

A: Subatomic atomic particles: A standard atom consists of three subatomic particles:  Electron Proton…

Q: se the dropdowns to create a correct and omplete isotope notation. n isotope has 108 neutrons and 74…

A:

Q: Which statements about subatomic particles are true?a. If an atom has an equal number of protons and…

A: (a) This is a true statement because the charge of the proton and the electron are equal in…

Q: An element with 11 neutrons, 11 protons, and 11 electrons would have a mass number of _____?

A: The total number of neutrons and protons present in a nucleus is known as mass number.

Q: Which statement about subatomic particles are false? Protons have about the same mass as neutrons.

A: An atom is made up of subatomic particles which are protons, neutrons and electrons.

Q: What is the mass number of an atom of calcium that has 21 neutrons?

A: We know ,  Mass number of an atom = number of proton + number of neutron

Q: An atom containing 19 protons, 20 neutrons, and 19 electrons has a mass number of?

A: Given, Number of protons = 19 Number of electrons = 19 Number of neutrons = 20

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

A: Atomic number (Z) is defined as a number of protons present in an atom.  In a neutral atom number of…

Q: 2T) A comprnd Cim 15 5.१५°% Olygen is 5.9496 mass of this com A) what Is the B) what IS the

A: Percentage of hydrogen = 5.94 %  Percentage of oxygen = 94.06 % Molar mass of compound = 87.55 g/mol

Q: What if a new element, Tyserium (Ty), was discovered and was found to have two isotopes, Ty-331…

A: The average Atomic mass of any element is the average of atomic masses of different isotopes present…

Q: the isotope with 33 protons and 40 neutrons in its nucleus

A: Given : number of protons is 33. And number of neutrons = 40

Q: Neutral Cl atom has 17 proton and 18 neutron. According to this information, Which one of the…

A: For an atom to be electrically neutral, the number of protons should be equal to the number of…

Q: Neutral particles are called: Particles that have a charge are called: Particles of the same element…

A: Here is the answer

Q: Describe how the atomic and mass numbers change, with at least one specific example?

A: An atom has a nucleus situated at the center and the electrons are surrounding it. The nucleus has…

Q: A single atom of element Q has a mass of 1.09 x 10 -22 g. What is the name of the element Q?

A: Given : Mass of single atom of element = 1.09 X 10-22 g Assuming atomic mass of element is M.

Q: The element boron has two stable isotopes: boron-10 (10.0129 u) and boron-11 (11.0093 u). The…

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

Q: 18 - Since a neutral Cl atom has 17 protons and 18 neutrons, which of the following is false? O a)…

A: Given  Atom = Neutral Cl       Number of proton (p)   = 17 Number of neutron ( n ) = 18 False…

Q: For an isotope that has 82 protons and 124 neutrons. What is the mass number (A) and what is the…

A: Given :- number of protons = 82               number of neutrons = 124  To be calculated :-  Mass…

Q: An element has three stable isotopes with masses of 27.977 amu, 28.976 amu, and 29.973 amu. The…

A: The average atomic mass of an element is calculated by considering the atomic mass of each isotope…

Q: A generic element, Q, has two isotopes, 195Q and 190Q, and an average atomic mass of 191.86 amu. The…

A: Given- Average atomic mass of Q = 191.86 amu Natural abundance of isotope 195Q = 38% Natural…

Q: Strontium naturally exists as 4 stable isotopes with masses of 84, 86, 87, and 88. Which statement…

A: Elements exist in different isotopic forms and each form has its own abundance.

Q: Element "X" has a mass# of 53. How many neutrons does it have if its atomic# is 27

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the xenon isotope’s…

A:

Q: Which statement about subatomic particles are false? Some atoms don’t have any protons.

A: All atoms have protons.  Every atom has fixed number of number of protons.

Q: Bromine has two naturally occurring isotopes. One of them, bromine-79, has a mass of 78.918 amu and…

A: Given: There are two naturally occurring isotopes of bromine. Mass of isotope 1 i.e. bromine 79 =…

Q: Atomic o Mass Number of Name uon lo Symbol Number Neutrons W. Number 8. 2raon ls. 1sd: bozogorq 10 6…

A: Atomic number of an atom is equal to the number of protons present in it. It is written in the…

Q: Three stable isotopes of Wolfgangium Wf - 256 has a mass of 255.758 amu and abundance of 0.25000,…

A: Given: Mass of Wf-256 = 255.758 amu. Abundance of Wf-256 = 0.25000. Mass of Wf-258 = 257.742 amu.…

Q: Which of the following statements is correct? A The mass of 1 mole of C-12 is 12.01 g The isotope…

A:

Q: Bromine has two isotopes, Brand Br, whose abundances are (50.69% and 49.31%). Calculate the average…

A: MBr-79 is the molar mass of bromine-79 = 78.9183 u MBr-81 is the molar mass of bromine-81 = 80.9163…

Q: How many protons, electrons and neutrons does Cl1?

A: In the question, we have been given a halide ion and we need to calculate the number of electrons,…

Q: A mass spectrometer measures neon to have two masses: 20 and 22 atomic mass units. These are: A)…

A: Elements having same atomic number but different in mass is called isotopes. Positively or…

Q: A atom X has two naturally occurring isotopes. One isotope has a natural abundance of 71.99% with a…

A: Mass of isotope can be calculated using formula: Atomic mass of X = (mass of isotope 1 × %isotope 1…

Q: An isotope of chlorine has 20 neutrons. •What is the mass number of the chlorine isotope? •How…

A: Atomic number = Number of protons = number of electrons Mass number = Number of protons + Number of…

Q: An unknown element has two naturally occurring isotopes. Isotope 1 has a mass of 121.0 amu and an…

A: Following equation will be used to solve this equation,

Q: Consider 39K,   a The mass number (A) is 39  b The atomic number (Z) is 39  c Blank  d The atomic…

A: Representation of an element: XZA X = symbol of element Z = atomic number of element A = atomic mass…