The amount of carbon-14 in ancient artifacts and fossils is oftenused to establish their age. Determine the number of protons andthe number of neutrons in a carbon-14 isotope and write its symbol in the form AZX

Q: An atom of calcium is represented by 12C.. How many neutrons are in the nucleus of this atom?…

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Q: (T/F) The atomic number of an elements tells us the number of protons and neutrons in an element.…

A: Hii there, since there are multiple sub parts posted. We are answering first three sub parts. If…

Q: If you had a balance that could determine the mass of aproton, how many electrons would you need to…

A: Mass of a proton is 1.67×10-27kg and the mass of the electron is 9.31×10-31kg.

Q: Describe the process of determining the number of Subatomic particles in Atoms?

A: An atom is the smallest invisible and indivisible particle of matter. However, an atom still…

Q: Two samples of carbon tetrachloride are decomposed into their constituent elements. One sample…

A: Given: Two samples of carbon tetrachloride are decomposed. One sample produces 38.9 g of carbon and…

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: One of the most harmful components of nuclear waste is a radioactive isotope of strontium,  90Sr38 ,…

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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: In the symbol below, x is, A the mass number B the number of electrons the number of neutrons D the…

A: Mass number is the total of number number of protons and neutrons in an atom. Atomic number…

Q: An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99…

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Q: Uranium-235 is used in nuclear fission. Determine the number of protons and the number of neutrons…

A: Atomic symbol of element gives information about the chemical symbol, atomic number and mass number…

Q: State the laws of definite proportions and multipleproportions. Illustrate each with an example.

A: Law of definite proportions, statement that every chemical compound contains fixed and constant…

Q: ilicon has three common isotopes, with the masses and isotopic abundances shown elow: licon-28 --->…

A: Given-> M1= 27.98 u.        P1=0.882% M2=28.98u.           P2=0.018% M3=29.97 u.

Q: Which symbol represents the atom having 28 protons and 34 neutrons in its nucleus?

A: Atomic number: The atomic number (represented by the letter Z) of an element is the number of…

Q: 2 of 2 Explain why the atomic mass of an atom is a decimal number and how that value was determined…

A: In periodic table generally atomic masses are in decimal form because we know that almost for every…

Q: Some imaginary element Im has two naturally occurring isotopes, Im-54 (53.826 amu) and Im-58 (58.055…

A: Let, the % of Im-54 isotope = x The % of Im-58 isotope = 100 - x Atomic mass of Im-54 isotope =…

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

A: Given, the amount of Carbon-14 in ancient artifacts and fossils is often used to establish their…

Q: Chlorine has two naturally occurring isotopes, 35Cl and 37Cl. What is the mass number of each…

A: To find: The mass number of each isotope. Number of protons, neutrons and electrons are present in…

Q: 96. Plutonium-239 is used in nuclear bombs. Determine the number of protons and neutrons in…

A: The atomic number of an element represent the number of protons present in the nucleus of that atom.…

Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?

A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…

Q: The element oxygen has three naturally occurring isotopes, with8, 9, and 10 neutrons in the nucleus,…

A: One chemical element exists in distinct forms which are termed as "isotopes". These distinct…

Q: The radius of an atom of gold (Au) is about 1.35 Å. (a) Express this distance in nanometers (nm) and…

A: It is given that :Radius of gold atom = 1.35 Å

Q: -In this molecule, is Cl = Chlorine a neutral atom, an ion or an isotope? %3D -In this molecule, Mg…

A: NOTE : Since the molecular formula is not visible in the pic, I'm assuming it to be MgCl2 as per the…

Q: xcept: s cannot be created or destroyed. lement is composed of very small particles d protons,…

A: Dalton's atomic theory includes: 1. Atoms cannot be created or destroyed 2. All atoms of a given…

Q: A certain isotope has a charge of +3 and has 33 protons and 42 neutrons in the nucleus. How many…

A: Consider the given information is as follows; Number of protons = 33 Number of neutrons = 42…

Q: Determine the mass (in grams) of exactly 100 millionatoms of fluorine if the relative atomic mass of…

A: To solve this  firstly calculate the mass of one fluorine atom. Relative atomic mass is mass of 1…

Q: Which of the following statement concerning the nucleus is NOT true? A) The density of a nucleus…

A: The nucleus is the positively charged center in an atom that contains protons and neutrons. The…

Q: Two samples of carbon tetrachloride are decomposed into thier constituent elements. One sample…

A:

Q: A hypothetical element has only 3 isotopes, with the following masses: Isotope 1:  44.98 u Isotope…

A: Isotopes are the elements which have same atomic number but exhibits different mass number. To…

Q: Give the number of protons (p), neutrons (n), and electrons (e) in a) 15N3- b) 40Ca2+ SNER

A: Protons are positively charged particles. Electrons are negatively charged particles. Neutrons are…

Q: An element has two naturally occurring isotopes the first isotope has an abundance of 30.37% and a…

A: With data's given Initially we are finding percentage abundance of another(second) isotope and then…

Q: When carbon and oxygen react, two different compounds can form dependingon the conditions. Compound…

A: The law of multiple proportions is the third postulate of Dalton's atomic theory. Law of multiple…

Q: Magnesium has three naturally occurring isotopes with masses of 23.99, 24.99, and 25.98 amu and…

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Q: The element lead (Pb) consists of four naturally occurringisotopes with atomic masses 203.97302,…

A: From the given data, the atomic weight of lead can be calculated as -

Q: Chlorine has two naturally occurring isotopes, ³⁵Cl and ³⁷Cl.What is the mass number of each…

A: Number of proton present in a neutral element = Number of electron present in that neutral element =…

Q: In a chemistry class, a group of students determined the mass-to-charge ratio for an electron to be…

A: The charge on the particle and the mass of the particle is used to identify the subatomic particles…

Q: Gallium Arsenide has a density of 5.32g/cm3 and the chemical formula GaAs. A GaAs piece has a volume…

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Q: 1. The atoms of elements A (blue) and B (orange) form two compounds shown here. Do these compounds…

A: Given diagram is : Atom A is denoted = Blue  Atom B is denoted = Orange  Do these compound obey law…

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: 01. Suppose you have atoms A and B. Which of the following is not true? A. All matter is composed of…

A: 1)  A) True . all matter is composed of small particles called atoms . B) false . Nuclear…

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…

Q: Silver is composed of two isotopes. One isotope has a mass of 106.91 amu and a relative abudance of…

A:

Q: 14. One compound of elements X and Y contains 35.2% X (by mass); another compound contains 24.6% X.…

A: The chemical formula of compound is represented by the atoms of the elements as their chemical…

Q: Which element is represented by the following symbol A. Chromium B. germanium C. barium D. iron

A: The given symbol of element is                       5624X  Here,  Mass number of element = 56…