Use the periodic table to find the atomic mass, atomic number, number of protons, and number of electrons for an atom of each of the following elements. (a) zinc atomic mass       u atomic number       number of protons       number of electrons       (b) copper atomic mass       u atomic number       number of protons       number of electrons

Q: Define isotope

A: Define isotope

Q: By definition, all atoms of carbon have exactly 6 _________, but the number of _________ varies from…

A: Carbon is an element in periodic table. It has the atomic number of 6. Carbon is a nonmetal with…

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Q: Name Element "Teams' Similar to teams of ballplayers, elements have symbols (abbreviations or logos)…

A: Dear Student since you have posted multiple parts question..... we will solve the first question…

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

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Q: Be sure to answer all parts. Using the periodic table on the inside front cover, write the symbol…

A: The Given element = Chlorine Symbol for Chlorine = Cl Atomic number  of Cl = 17 Atomic mass of Cl =…

Q: Which of the following is paired incorrectly?

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Q: Which two elements on the periodic table are in the same period?

A: By studying the periodic table we can easily find out the elements present in same period.  Periods…

Q: Summarize what you have learned nodule separate sheet of paper. You can improve the concept map by…

A: Atom is the basic building block of all matters whereas ions are charged atoms or molecules.

Q: Use the Periodic Table of Elements to answer the following question(s). Which sentence about the…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Which of the following is not an element? • View Available Hint(s) O water lithium sulfur lead

A: Elements are those which available in single same state which do not combine with other atoms.…

Q: State the atomic number for each of the following elements. (a) ferrum (b) cuprum (c) stannum (d)…

A: Atomic number of an element is equal to the number of electrons or number of protons in an atom.

Q: Name Element "Teams' Similar to teams of ballplayers, elements have symbols (abbreviations or logos)…

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Q: Which of the following statements is correct about atom? An atom does not have mass O For neutral…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Dmitri Mendeleev and Lothar Meyer independently came to the same conclusion about how elements…

A: Introduction : We need to tell whether the given statement is true or false .

Q: What types of atoms compose each type of compound – only metals, only nonmetals, or both?

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Q: 12)Which of the following is an ionic compound?   Select one: A. Carbon dioxide B. Barium oxide C.…

A: Ionic compound if formed by transfer of electrons between two atoms.

Q: Part C The cation Alt with each of the following anions: HSO3 and MnO4 Express your answers as…

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Q: Enter the symbol of the element which would have 18 electrons and +1 charge.

A: An atom is a smallest particle which is capable of existing independently. It has equal number of…

Q: Which of these atoms Sulfur, Heli Explain.

A: Those atom which completed its octate will not surve as central atom

Q: Select all of the following that are diatomic elements O Hydrogen Oxygen Helium Neon Astatine O…

A: Since we know that a diatomic elements are pure elements that form molecules consisting of two atoms…

Q: The human body is primarily composed of which element?

A: The human body mainly composed of six elements named as oxygen (65%), carbon (18.5%), hydrogen…

Q: What do you look at on the periodic table to determine the number of protons of a element

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Q: Q2\Select one answer according to the specific question directions: Copper sulfate is dissolved in…

A: Chemical changes are those changes in which there is a formation of new products while Physical…

Q: Similar to teams of ballplayers, elements have symbols (abbreviations or logos) and are arranged in…

A: Element name Element symbol Group number Period number  Chlorine Cl 7 3 Calcium Ca 2 4 Radium…

Q: Does fluorine, sulfur, and phosphorus represent elements in a group, a period, or neither?

A: We have to explain if fluorine, sulfur and phosphorus represent elements in a group, a period, or…

Q: Some elements in the periodic table are called “ancient.” What are these elements and why are they…

A: Some elements in the periodic table are called “ancient.” What are these elements and why are they…

Q: What are the chemical symbols of the following elements: lithium, sodium, silicon, nitrogen,…

A: To find: The chemical symbols of given elements

Q: Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation…

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Q: If the mass # is 99 and the # of protons is 43, what is the atomic symbol and and # of neutrons?

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Q: Fill in the missing information: element name element symbol Са F zinc bromine Cr

A: The element oxygen is represented by O.

Q: Complete the third row of the table with the number of protons, neutrons, and electrons for 30Si.…

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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: What is the chemical formula for a molecular model with 2 nitrogen atoms and 4 hydrogen atoms? Also…

A: a) Since the model is having 1 black and 4 white balls. Hence it is having 1 carbon i.e C and 4…

Q: An atom converts in to cation after losing electrons. Select one: True False

A: An atom in itself is neutral, i.e., it has equal number of positive and negative charge. It has…

Q: What is the atomic number of the element located in group 16, period 2 of the periodic table? Enter…

A: Group 16 elements are chalcogens, or oxygen family.

Q: What is Leucippus contribution atomic theory?

A: Matter can be defined as any substance that has some mass and occupy space. Matter can be solid,…

Q: Part A On a mission to a newly discovered planet, an astronaut finds copper abundances of 69.15 %…

A: Given, Abundance of 63Cu = 69.15% Abundance of 65Cu = 30.85% Mass of 63Cu = 62.9300 amu Mass of 65Cu…

Q: What is the correct symbol for potassium?

A: The given element name is potassium.

Q: Which of the following atoms are diatomic elements? **Select all that apply.      Nitrogen (N)…

A: We are having four different elements N,H,He,Be. We have to tell which of these exist in the…

Q: atomic element

A:

Q: Select the correct answer from each drop-down menu. A molecule of chlorine has atoms of the same…

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Q: Which of the following formulas can be reduced to a smaller whole number relationship among atoms?…

A:

Q: Select the incorrect statement about atomic particlesa) the neutron is the heaviest of the atomic…

A: The neutron is the heaviest atomic particle and it is approximately 0.18 % heavier than the second…

Q: which of the following choices represents a pair of isotopes?

A: Which of the following choices represents a pair of isotopes?

Q: Which period of the periodic table  has no metals has no nonmetals has one post transition metal…

A: In periodic table, total of 18 groups and 7 periods are Present, in which these are according to…

Q: Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation azX…

A: Atomic number (Z) :- The number of protons present inside the nucleus of an atom is known as atomic…