Activity 1: Subatomic Particles Directions: Complete the table below by supplying the correct quantity or number of particles. The example before may be used as a guide. No. of Protons 15 No. of Neutrons No. of Electrons Element Atomic Atomic Number mass 31 Phosphorus Barium Chromium Bismuth Magnesium 56 81 28 24 209 83 12 12

Q: Thorium*2 Zinc - 67 Chemical Symbol Atomic Number, Z Mass Number, A 30 232 # of protons # of…

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Q: Calculate the average atomic mass of uranium given its naturally occurring isotopes and their…

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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: Please may you help me with following homework questions.  Q1. Describe the nuclear model of an…

A: Atom is a small unit which repeat itself and form the whole element. A pure element has all same…

Q: 11. How many moles of glucose, CeH:2O. would need to be broken down during respiration to produce…

A: Note:  Since you have asked multiple questions, we will solve the first question for you. If you…

Q: What is an atom's mass number? number of protons plus number of neutrons O number of electrons O…

A: We have to predict correct option for mass number.

Q: is not used to make Portland Cement a Calcareous Rocks b. Argillaceous Rocks c. Siliceous d. Sands…

A: 1.  B option is correct. CO2 Carbon dioxide is emitted as a by-product of clinker production, an…

Q: Give detailed Solution with explanation needed. Don't give Handwritten answer. Don't use Ai for…

A: The number of protons are equal to the atomic number and electrons are equal to protons for a…

Q: Fill in the table 325 39K 27A13+ 19 13 Number of Protons: Number of Neutrons: Number of Electrons:

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Q: An isotope with 1 protons and 1 neutrons in its nucleus has an atomic mass of and the atomic symbol…

A: An isotope has 1 protons and 1 neutrons in its nucleus.We have to find out its atomic mass and the…

Q: An element has three naturally occurring isotopes with the following abundances and masses::…

A: Since the atomic mass of any element is given by the average mass of its isotopes Hence the atomic…

Q: Complete the following table describing the properties of four important elements found in living…

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Q: There are ______electrons and _____ neutrons in the ion of  P–3 . Atomic number: 15 Mass number :…

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 è Properties of…

A: We have been given the diagram of an atom. We have been given the table in which location of…

Q: 34. How many protons, electrons and net does Be have? beryllum 4 Ве 9.0122

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Q: There are electrons and +2 neutrons in the ion of Cd Atomic number: 48 Mass number : 112 O A. 46, 48…

A: Given ion,    Cd2+ ion    Mass number = 112    Atomic number = 48

Q: 25 30

A: Number of protons(P) = 25  Number of Neutron(n)  = 30 Number of electrons = 25 As we know, nucleus…

Q: 17. Place the labels chemical symbols, atomic number, and mass number in the shorthand notation…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: Calculate the atomic mass element "X" if it has 2 naturally occuring isotopes withthe following…

A: Percent abundance of X-51 = 67.88 %  Percent abundance of X-53 = 32.12 %

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

A: Isotopes are the chemical species having same atomic number but different mass number. Isotopes of…

Q: 2. The isotope of iodine with a mass number 131 is often used in medicine as a radioactive tracer.…

A: We know that, Number of proton= Atomic number=no. of electron (when no any charge present) no. of…

Q: Ernest Rutherford fired very small particles at a thin gold foil. The diagram shows the path of the…

A: •Here experiment is showing that particles are bombarding on gold foil. •We can see most of…

Q: Enter your answer in the provided box. 12 The atomic masses of the two stable isotopes of carbon, 13…

A: Given,  12C6 isotope has 98.90 %  molar mass = 12 amu And 13C6 isotope has 1.100 %  Molar mass =…

Q: Symbol 35 Cl Protons 26 50 Neutrons 30 66 Electrons 49 86 Mass no. 222 119

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Q: Part A Once you have filled in all the gaps on a separate sheet of paper, enter the four missing…

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Q: Calculate the number of neutrons in Krypton-80. Select one: a. 45 O b. 48 44 O d. 35

A: krypton is belong to the noble gases . nobles gases are present in last group of the periodic table…

Q: కా 1. Indi cate the number of protons and neutrons in the following nuclei: c) Dotassium - 39

A: Atomic number = number of protons Mass number = number of neutrons + number of protons If atom is…

Q: What are isotopes? Selected answer will be automatically saved. For keyboard navigation, press…

A: Isotopes are distinct nuclear species of the same chemical element. They have the same atomic number…

Q: In an alternate universe there are only two naturally occurring isotopes of iron. 58Fe //mel Bey Pun…

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Q: Which of the following lists all three subatomic particles? matter; atoms and nucleus matter; atoms…

A: 3) There are total 3 sub-atomic particles which are present in any atom.

Q: 37. The ion $$Mn ² contains which combination of protons. neutrons and electrons? ITTT Protons 25…

A: Given ion is, 55Mn-2  where 55 is mass number of ion . Mass number is sum of proton and neutrons.…

Q: Identify for an atom of 55Mn: element name: _____________ Z, atomic number = ____ A, mass number…

A: The nuclear symbol of the isotope given is 55Mn.

Q: Consider the following equation: The mass number of element X is: 219A+12B 93C+ belx +2'n

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Q: The actual mass of a 17CI atom is 36.9659 amu. Calculate the mass deficiency (amu/atom) for a 17…

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Q: Enter your answer in the provided box. 38 The atomic masses of the twe stable isotopes of chlorine,…

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Q: Rubidium has two naturally occurring isotopes, from the following data calculate the value of X?…

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Q: List the three main subatomic particles?

A: Stable particles which Play important role formation of atoms of matters called as main subatomic…

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: 30. How many protons are there in Po-209? a. 84 b. 125 С. 123 d. 209 31. How many protons are there…

A: * Mass number of element =  Number of protons + Number of neutrons * Atomic number = number of…

Q: 30 The mass of one atom of 14SiCon is 29.9738 amu. What is its mass mass deficiency (amu/atom).…

A: Mass of silicon atom = 29.9738 amu  Mass of an electron = 0.00055 amu  Mass of proton = 1.0073 amu…

Q: 5. Fill in the empty cells in the table below. Atomic number Mass Number Number of Neutrons Number…

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Q: An atom of 131 I contains ________ protons.

A: An atom = 131I  Number of protons = ?

Q: Element Symbol Calcium Tin Boron Ca Sn B Atomic Number 20 Atomic Mass 40 119 # of Protons # of…

A: • Atomic number = number of protons = number of electrons• Atomic mass = number of protons + number…

Q: 52. What number of protons and neutrons are contained in the nu- cleus of Tach of the following…

A: Let us consider an element AXZ . Where  A is mass number and Z is atomic number. Mass number is the…

Q: How many protons and neutrons are in an atom of Th-229 ? Number of protons= ________ Number of…

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Q: What I still pass 15 protons 15 electrons and 17 neutrons?

A: Isotope:

Q: Element Atomic number Mass number p+ е- 1. Не 1. 1. F 1. 1.

A: In an element, Atomic number = number of protons Atomic mass or mass number = number of protons +…

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.