Using modern periodic table give two pairs of elements where the atomic masses are in opposite order to the atomic numbers.

Q: Calculate number of protons, neutrons and electrons present in isotopes of 35Chlorine and…

A: Atomic number = Number of protons Atomic mass  = number of protons + number of neutrons. Number of…

Q: SHOW THE TWO WAYS OF WRITING THE SYMBOL FOR AN ATOM OF IODINE WITH 78 NEUTRONS

A: Atomic number is equal to the number of electrons and protons in an atom. Mass number is equal to…

Q: did john dalton give us the "raisin bun" model of the atom where negative and positive charges are…

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Q: State the main points of Dalton’s atomic theory using your own words. Which parts of Dalton’s theory…

A: Introduction: John Dalton, in the year 1808, put forward his atomic theory on the nature of matter.…

Q: Whar principle in constructing the periodic table used the atomic number as basis rather than the…

A: The study of elements and their compounds can be made easy by a systematic classification of…

Q: copper has two naturally occurring isotopes. cu-63 has a mass of 62.939 amu and a relative abundance…

A: Atomic mass of copper=63.546 amu.

Q: Write an atomic symbol for the isotope for Oxygen with 10 neutrons.

A: Atoms of the same elements with different numbers of neutrons are called isotopes of that…

Q: Answer the questions with the definition and show with a figure where this information is found in…

A: Atomic number : The number of a chemical element in the periodic system, whereby the elements are…

Q: what is an atom? Also, determine the parts of an atom

A: what is an atom? Also, determine the parts of an atom?

Q: Explain the difference between an ion and an isotope. Include the specific names for the two types…

A: * ion : Ion is any atom or group of atoms that bears one or more positive or negative electrical…

Q: 102. Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative…

A: Isotope: Element having the same atomic number but different mass numbers is called isotopes. For…

Q: Determine the atomic symbol, atomic number, and mass number for the isotopes that match each of the…

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Q: how many protons does an ion with 10 electrons and a charge of +1 contains

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Q: What principle in constructing the periodic table used the atomic number as basis rather than the…

A: The study of elements and their compounds can be made easy by a systematic classification of…

Q: 2. IRON Atcimic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

A: The atomic number of an element is equal to the number of protons in the nucleus of the atom. In the…

Q: Complete the following table. (Remember to use correct capitalization for the chemical symbol!)…

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Q: Which is the isotopic notation symbol for the ion with 78 protons, 116 neutrons, and 76 electrons?

A: In the given question we have to determine the isotopic notation symbol for data provided. no. of…

Q: How many neutrons are in the nucleus of an atom with an atomic number of 25? (use Periodic Table for…

A: Number of protons = atomic number   Number of electrons = atomic number (in case of neutral atom)…

Q: Compare According to the periodic table, which two elements have an atomicmass less than twice their…

A: There are 118 elements in the periodic table. The elements are placed according to the increasing…

Q: How do you know how many electrons and neutrons are in a single element with just knowing the atomic…

A: Although information about atomic number and mass number, both are needed to determine the number of…

Q: If a certain atom is composed of 5 neutrons, 5 electron and 5 protons. The net charge is said to be

A: Atoms are composed with nucleons (protons and neutrons) and electron.   Charge of a…

Q: Why is it that elements such as Gold, Fluorine, and Aluminum only have one isotopes?

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Q: complete the following information. If necessary, use the periodic table. Nuclear symbol = ? Charge…

A: Answer :- Nuclear symbol :- Chemists generally used certain element using standard atomic notation ,…

Q: Using the periodic table, determine the following. a. The atomic number of the element magnesium b.…

A: The atomic number of element magnesium. In the the periodic table, magnesium was placed at third…

Q: Create a timeline using illustrations and text showing on how elements form with the concept of…

A: The  timeline using illustrations and text showing how elements form with the concept of atomic…

Q: Fill in the blanks. Be sure to input the isotope symbol fully. For example, if the isotope were…

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Q: Potassium has an atomic number of 19 and an atomic mass of 39 (ignore the possibility of isotopes…

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Q: the PhET simulation, you build an ion with 4 protons, 6 neutrons, and a charge of 3+. This ion has…

A: Atomic number of an species is defined as the number of protons present in the species.

Q: 1. Pick the correct combination for the charges of sub-atomic particles.

A: The objective of this question is to correctly determine the combination of the charges of…

Q: 4. HYDROGEN Atomic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

A: Given element,    Hydrogen (H)

Q: Fill in the blanks. Be sure to input the isotope symbol fully. For example, if the isotope were "58…

A: Given: Number of protons = 80  Number of electrons = 78  And mass number = 202

Q: What is the most common ion of Lithium? How many neutrons does it have?

A: Most common ion of lithium = ?  Number of neutrons in this ion = ?

Q: Beryllium has an atomic number of 4. Which of the following statements is true of a neutral…

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Q: Calculate the atomic mass of the following element. Experimental analysis show three isotopes:…

A: Given isotopes are : Isotope Mass     % 1 42.315 88.990 2 43.320 3.0090 3 44.325 8.0010

Q: How do you figure how many neutrons and protons are in an isotope? for example 22 Ne

A: The atomic number in the periodic table refers to the number of protons.   To determine the number…

Q: Question attached

A: Number of protons in an isotope is same to its atomic number and it is equal to the atomic number of…

Q: Elements in the same period (row) have the Same number of what?

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Q: What is the symbol for an ion with a 1- charge, 36 electrons, and 46 neutrons?

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Q: An element has two naturally occuring isotopes. Isotpe 1 has a mass of 120.9038 amu and a relative…

A: Given :  Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4% and isotope 2 has a…

Q: Enter the atomic symbol, including mass number and atomic number, for iodine-127. Express your…

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

Q: Complete the following table by filling in the blanks in each row. The first row has been completed…

A: Atomic number(Z):  Number of protons present in an atom  Z = number of protons    Mass number(A):…

Q: Atomic Number Atomic Mass = : # of Protons : # of Protons + # of neutrons :: #of electrons : #of…

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Q: Cobalt-60 is a radioactive isotope sometimes used in the treatment of cancer. How many neutrons,…

A: COBALT - 60 Atomic number of cobalt = 27 Mass number of cobalt - 60 = 60 We know that, Atomic number…

Q: Create a timeline using illustrations and text showing on how elements form with the concept of…

A: Interpretation -  To create a timeline using illustrations and text showing on how elements form…

Q: Find the average atomic mass (atomic weight) for lithium on the periodic table. There are only two…

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Q: Complete the following information. If necessary, use the periodic table. Nuclear symbol =  Charge =…

A: Number of protons in an atom serves as identity of an element. number of protons in the nucleus is…

Q: Gallium has an atomic number of 31 and a mass number of 70. Which table shows the number of protons,…

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