what do you think is the reason for an increasing atomic radius within one group? answer choices below a)decreasing number of protons b)decreasing number of neutrons c)increasing number or electron shells d)increasing number of electrons

Q: Question 2 (3 points) Read the passage and use the diagram to answer the next two questions. An atom…

A: An atom is made up of mainly three types of subatomic particles namely electrons , protons and…

Q: 7. Identify for an atom of °Be: element name: Z, atomic number = A, mass number number of neutrons =…

A: Solving only first question in accordance with the guidelines.

Q: I. Complete the table based on the information provided. Atomic No. of No. of Mass Isotopic Symbol…

A: 1. 79.         2. 118      3. 79Au197    4. Gold  5.97         6. 247    7. 97Bk247    8.Berkelium…

Q: 14. Mass number is equal to the number of protons and electrons for neautral atom. A. True B.…

A: In a neutral atom, Number of protons = number of electrons Atomic number = number of protons

Q: See if you can complete the following table using only what is on this page. Hint: Two of the…

A: Fill in the blanks--

Q: Bromine is the only nonmetal that is a liquid at room temperature. Consider the isotope bromine-81,…

A: The isotope given is 8135Br.

Q: Which is true? Select all that apply. A. All protons have the same charge B. Electrons and protons…

A: Which is true?

Q: Objectives I. Determine the number of subatomic particles of an atom given its mass number and…

A: Here we are required to determine the number of subatomic particle of atom.

Q: 1. Using the various group classifications from the periodic table, assign all appropriate labels to…

A: In the periodic table elements are arranged on the basis of their atomic number. When the elements…

Q: [Review Topics] Use the References to access important value See if you can complete the following…

A: Note: According to our guidelines we are supposed to answer only one question

Q: INSTRUCTION: Fill in the table with what is asked. Refer to your periodic table to answer the…

A: Atomic number is equal to the number of electrons in an atom or number of protonsAtomic number = no.…

Q: 2.70 Naturally occurring boron consists of two isotopes: 1°B (19.9%) with an isotopic mass of…

A: Average atomic mass is given as,

Q: The isotope of an unknown element, , has a mass number of 78. The most stable ion of this isotope…

A: Given,  The mass number of an unknown element isotope is 78. The most stable ion of this isotope has…

Q: # of protons Element Atomic # of Mass number # of electrons symbol number neutrons 23 51 23 77 115…

A:

Q: How many proto Mass # of Protons Element Element Name Atomic Number # of Neutrons # of Electrons…

A: Fill the  columns with suitable number and symbol--

Q: Use the atom builder interactive to determine whether each nucleus is stable or unstable.

A: For a stable nucleus the ration of numbers of neutrons and number of protons must be 1:1 for…

Q: Copper has two natural isotopes: Cu63 and Cu-65. Which isotope is more abundant? (Hint: Refer to the…

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Q: QUESTION 13 An atom of the isotope 133Cs (Cesium) contains how many protons (p), neutrons (n), and…

A:

Q: Rutherford's gold foil experiment contributed to the discovery that: A. Atoms contain electrons B.…

A: The given statements about Rutherford's gold foil experiment are : A. Atoms contain electronsB.…

Q: Is each of the following statements true or false? Drag the appropriate statements to their…

A: A question about atomic structure, which is to be accomplished.

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: First to organize the elements by atomic mass; noticed patterns in every 8th element; law of…

A: CORRECT choices are:- NEWLANDS SEABORG

Q: An element has nine protons and 10 neutrons in the neutral atom. (a) How many electrons are present…

A: Given: Number of protons= 9 Number of neutrons = 10 To find: The number of electrons Atomic number…

Q: Naturally occurring element X exists in three isotopic forms: X-28 (27.977 amu, 32.21% abundance),…

A: In the given question , we have to find out the atomic weight of given isotopic elements.isotope…

Q: QUESTION 5 Fill in the blanks: Atomic # Element Symbol Mass # number of neutrons number of electrons…

A: atomic mass = no. of  proton + no. of neutron (in atom) In a neutral atom , no. of proton =no. of…

Q: Key A Proton O Neutron * Electron Based on the diagram and the periodic table, which three…

A:

Q: Instructions: Fill in the blanks the number of atomic mass, atomic number, # of neutrons, and # of…

A:

Q: POSSIBLE POINTS: 3 Imagine you start with an atom that has 7 protons, 7 neutrons, and 7 electrons.…

A: The element containing 7-electrons, 7 protons, and 7 neutrons is nitrogen(atomic number-7)

Q: 4. What two factors play a role in determining an element's average atomic mass? Hint: Select all…

A: Atomic mass is the mass of an atom of an element. Average atomic mass is the average mass of the…

Q: :The Greeks proposed that matter consisted of four fundamental substances اخترأحد الخيارات a. None…

A: Correct option is (A). None of the given options.

Q: QUESTION 8 A 355 isotope has protons, neutrons, and electrons.

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

Q: Classify each element as metal, nonmetal, or metalloid. Potassium 1.nonmetal 2. Metal 3.metalloid

A: The elements of the periodic table can be classified as metals, non-metals and metalloids. Metals…

Q: * Question 31 If you add an additional neutron to an atom, what do you create? A an isotope an ion a…

A:

Q: Which is statement is true about the neutrons of atom?

A: Neutrons are the neutral subatomic part of atoms. Nucleus have equal number of neutrons and protons.…

Q: average atomic mass

A:

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

A: Protons, neutrons and electrons are subatomic particles of atom. Protons and neutrons are present…

Q: Find the iostope data for 14/7 N Include the datat for the atomic number, Mass Number, Protons,…

A: Atomic number is equal to no of proton and no of electron…

Q: 1. Table Completion: Supply the missing data in the table given below. atomic number, Z mass number,…

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

Q: D. List down 5 noble gases E. List down eight transition metals F. Aside from the noble gases, list…

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Q: 1. A) Define atom. B) Define mass number, A. C) Define atomic number, Z.

A: We’ll answer the first three subparts. Please submit a new question to get the answer of other two…

Q: What is the symbol (including the atomic number, mass number, and element symbol) for the oxygen…

A:

Q: QUESTION6 Rutherford's alpha-particle bombardment of gold foil helped develop our current model of…

A: Answer 6: In the Rutherford's alpha -particle experiment it was observed that:i)Most of the alpha…

Q: /hich statement about the atom's nucleus is correct? The nucleus is made of protons and neutrons and…

A: The atom nucleus is made up of

Q: 1. Consider a neutral atom, the atomic number is equal to (a) mass of neutron (b) number of proton…

A: Atomic number depends on proton number

Q: INSTRUCTION: Fill in the table with what is asked. Refer to your periodic table to answer the…

A:

Q: Which is true of gamma (γ ) ray? Group of answer choices They have a positive charge They have no…

A: gamma rays are neutral, so option (a) is wrong. gamma rayshave no mass. so, option (b) is correct.…

Q: A helium atom consists of two protons, two electrons and Iwo neutrons. In the helium atom, the…

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Q: Part B The atomic number of carbon is 6. What is the mass number of a carbon atom with 5 neutrons?…

A: Given that, Atomic number of C=6 No. of neutron=5 so,