Groups of elements in the periodic table have similar O physical properties O crystal formations chemical reactivity O melting points

Q: periodic

A: According to the question, we need to determine what does the letter 'A' represents in this periodic…

Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: An atom in which the number of protons is no longer equal to the number of electrons is ___.   A.…

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Q: You are an element capable of producing oxygen when fused with you own kind, which element are you

A: Oxygen is a diatomic gas.

Q: The element cubidium (Rb) has two isotopes. 85 Rb. has an Otomic maS3 Of 84.911789 87 Rb has an…

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Q: The newly discovered element Nh (Nihonium), with atomic number 113, would be a member of which…

A: Atomic number of this newly discovered element Nihonium (Nh) is 113. In the periodic table, period…

Q: Use the following key to classify each of the elements below in its elemental form:

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

Q: Isotopes of the same element have different chemical behavior O atomic numbers mass numbers O…

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Q: Determine whether each of the following statements is trueor false. If false, correct the statement…

A: An atom is the “smallest unit in an element”, this was until the discovery of the sub-atomic…

Q: The relative atomic mass of antimony is 121,8. Antimony exists as two isotopes - antimony 121 and…

A: Given, The relative atomic mass of antimony is 121.8 and it's two isotopes  antimony 121 and…

Q: Out of the atomic number, atomic mass number, atomic weight, isotopes which one of these are unique…

A: Atomic number = It is equal to the number of protons present in the nucleus of an atom.Atomic weight…

Q: The size of atoms generally increases as the number of   A. protons increases.   B.…

A: The size of atoms generally increases as the number of A.Protons increases. B.Neutrons in atoms…

Q: Elements with chemical properties most similar to those of sodium are listed in what part of the…

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Q: Which two of these elements would you expect to show the greatest similarity in chemical and…

A: The elements which are expected to show the greatest similarity in chemical and physical properties…

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

A: CORRECT choices are:- NEWLANDS SEABORG

Q: 21. What force holds electrons near the nucleus of the atom? A. Strong nuclear force B.…

A: From the concept of periodic trends of elements and atomic mass of elements the following questions…

Q: What was the Copernican revolution? O A. The discovery that the sun was not the center of the…

A: Copernican revolution is about the model of the solar system and was given by a polish astronomer.

Q: The first member of a group in the Periodic Table of elements always shows some abnormal chemical…

A: Group is a column in a periodic table and in the first element in the column is the first member of…

Q: Write the symbol and name for the elements located in the periodic table as follows:

A: a. According to the periodic table, the noble gases are located in the group VIIIA (18) means the…

Q: Elements in the same group of the periodic tablehave the sameA. number of valence electrons.B.…

A: Valence electrons are the electrons present in the outermost shell of the atom.

Q: Which two elements on the periodic table are in the same period? O Sn and Rb O K and Ba O F and Cl O…

A: The periodic table is divided into 18 groups and  7 periods.(i)  The 18 vertical columns that goes…

Q: Each element: has unique physical properties O has unique chemical properties O is made of a single…

A: Element :- It is a pure substance consisting of same type of atoms that all have same number of…

Q: Which group of three elements contains a transition metal, a halogen, and noble gas? a) S, I, Cu b)…

A: Since the Halogen elements are F, Cl, Br, I, At And noble gases are He, Ne, Ar, Kr, Xe, Rn

Q: 86. the symbol for the atomic number is Z the United States has the largest water footprint of…

A: Given:  Q 86 to 95 for True or False Q 96 to 100 for Matching

Q: What is the most recent addition to the periodic table?

A: In recent years, four elements are discovered, and all the discovered elements are radioactive in…

Q: match it's meaning

A: A . NOBEL GASES--------3 CONTAIN ELEMENTS IN ALL STATE OF MATTER  AT ROOM TEMERATURE C.…

Q: The atoms 52Te126 126 and 531127 have the same place in the periodic table O chemical behavior O…

A: Given T52e126Atomic No =  52 = No of protonsAtomic Mass = 126 I12753Atomic No =  53 = No of…

Q: Matter is defined as ....... إجابتك Felite is إجابتك

A: 2. The term matter refers to anything that occupies space and has mass—in other words, the “stuff”…

Q: Which of the following is the best description of how the modern periodic table is organized?…

A: The modern periodic table is arranged according to the increasing atomic number and not increasing…

Q: an isotope that has the atomic number 53, atomic mass 127 and a charge of "-1" determine the number…

A: Elements have same atomic number but different mass number is known as Isotopes

Q: Which of the statement is false? O potassium is an alkaline earth metal. O Lithium is an alkali…

A: Given : Statement  To find : False statement

Q: Whith of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

A: Dalton's atomic theory are as follows  (1) Atoms are indivisible,tiny particle of same size and same…

Q: What is used as basis for the better arrangement of elements in the periodic table and the key to…

A: Basis for the better arrangement of elements in the periodic table and the key to the discovery of…

Q: ealt Wsth mehs A mystery element is in the same period as Gallium (Ga). It has a smaller atomic…

A: The top elements of the reactivity series are highly reactive metals.

Q: Which of the following statements concerning the periodic table is incorrect?   a. All the elements…

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Q: Of the follOV ng statements Is correct about the periodic law? Properties of elements are periodic…

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Q: in

A: Zinc react with HCl to produce zinc chloride which is a precipitate hydrogen gas .The original…

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

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Q: 12. When elements from Group A combine with elements from Group C, these- compounds form- unalied…

A: The product formed when group A combine with the elements of Group C has to be given.

Q: 12C and 14C area. atoms of different elements.b. isotopes.c. atoms with different atomic numbers.d.…

A: Given substances are : 12C and 14C  Options are : a. atoms of different elements.b. isotopes.c.…

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

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Q: When elements are arranged by increasing atomic number, and by periods according to their…

A: According to the given question we have, as we move across the period the atomic number increases.…

Q: 92. The three most stable oxides of carbon are carbon monox- ide (CO), carbon dioxide (CO.), and…

A: Given the three oxides of carbon are as follows: CO CO2 C3O2

Q: Which of the following statement is FALSE? O Elements are organized in order of increasing atomic…

A: Some of the properties of elements in periodic table are: Elements are organized in order of…

Q: Which of the following statement is true about Atomic structure a. The atomic position determines…

A: A multiple choice question based on atomic structure, which is to be accomplished.

Q: Correct each of the following statements:(a) In the modern periodic table, the elements are arranged…

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