An elemental molecule is a molecule containing: two or more atoms of two different elements in definite proportions O a single atom two or more atoms of the same element in definite proportions two or more atoms of the same elemet in indefinite proportions

Q: Which of the following statements is true? O Water is an example of an element. O Protons and…

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Q: 2. Silver has an average atomic mass of 107.87 amu and has 2 isotopes. *Ag has a mass of 106.95 amu…

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Q: the symbol of the halogen with the most electrons Express your answer as a chemical symbol. ΑΣφ ?

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Q: atoms are O None of these statements are true O neutral, with the number of protons equaling the…

A: Answer  All atoms are  Correct statement about atom in all…

Q: In which group on the periodic table is Cobalt? O Halogen O Alkaline earth metal Noble gas O Alkali…

A: Solution Cobalt, like iron, may be attractable and then is employed to form magnets. it's alloyed…

Q: Write the symbol for each of the following particles. (a) an atom with 17 protons and 17 electrons…

A: Number of protons = atomic number  Number of neutrons = mass no. - atomic no. For a neutral atom :-…

Q: Calculate the relative abudance of the two europium isotopes.

A: According to the question Eu-151 has mass 150.916 amu and Eu-153 has mass 152.9209.  The average…

Q: An element has the following abundances and isotopic masses: 90% abundance with 20 amu, 7% abundance…

A: Average Atomic mass = (Isotopic mass×% abundance)1 +(Isotopic mass×% abundance)2 + (Isotopic mass×%…

Q: icate the answer choice that best completes the statement o Which of the following statements is not…

A: Which property is not true for zinc

Q: In each case, calculate the appropriate ratio to show that the information given is consistent with…

A: Given information, (a) Both ammonia (NH3) and hydrazine (N2H4) are composed of nitrogen and…

Q: Samples of compound X, Y, and Z are analyzed, with results shown below. Compound X Description…

A: Law of multiple proportions: It states that when two elements combine with each other to form more…

Q: Write    the    correct    formula    for    the    compound    corresponding    to    each    of…

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Q: What is an atom? O It is composed of protons and electrons but not neutrons O It is the smallest…

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

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Q: John Dalton developed an atomic theory from which our current theory was built off. Which of the…

A: Dalton atomic theory is on the basis of law of conservation of mass , i.e mass can neither be…

Q: What is the relative atomic mass of the element that consists of the following isotopes in the…

A: Given,

Q: Fill in the gaps in the following table: Symbol P3- Protons 35 49 Neutrons 45 66 118 Electrons 46 76…

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Q: Differentiate between an atom, an element, and a molecule.

A: Element - are naturally occurring species  Atom-building block of molecule  Molecule - made up of…

Q: Use Dalton's atomic theory to account for each of the following. a.the law of conservation of mass…

A: Use Dalton's atomic theory to account for each of the following. a.the law of conservation of mass…

Q: 2.27 Show, with calculations, how the following data illustrate the law of multiple proportions:…

A: According to law of multiple proportion, when two elements combine with each other to form more than…

Q: Which statement is NOT a part of Dalton's atomic theory? The atoms of each element are unique.…

A: we know dalton's atomic theory According to dalton's theory, all matter, the element or compound and…

Q: 2. Fill in the blanks. symbol element capital atom lowercase two solid a) All mater is made up of…

A: All questions are based on general inorganic chemistry related to definitions.

Q: The law of definite proportions is sometimes called the law of constant composition. True or false?

A: Law gives the scientific knowledge and is made on the basis of performed experiments with proven…

Q: Write isotopic symbols in the form X-A (e.g., C-13) for each isotope.a. the silver isotope with 60…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Which of the following elements fo Gold O Fluorine Hydrogen Sulfur Oxygen O Helium Olodine Antimony…

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Q: true or false (h)  All atoms of the same element have the same number of electrons.  (b) All atoms…

A: h) All atoms of the same element have the same number of electrons. The given statement is False.…

Q: Which of the following statements is always true? A All representative elements are nonmetals. All…

A: In the periodic table, the elements present in 1, 2, and 13 to 18 groups are known as representative…

Q: Which two elements on the periodic table are in the same period? OH, Na O B, Ga OK, Sc He, Ne

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

Q: 1. Calculate the percent abundance of each isotope and draw a pie graph showing the data. Percent…

A: The answer is given in below image.

Q: Answer the following True/False questions: Write T for True and F for False. Moreover, if the…

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Q: Write the symbol for each of the following particles. (a) an atom with 13 protons and 13…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The element Z has two isotopes; has an exact mass of 97.99 amu. If the average atomic mass of Z is…

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Q: What are the main ideas in Dalton's atomic theory? Check all that apply. Each atom is composed of…

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Q: Write a symbol for each of the following neutral isotopes. Include the atomic number and mass number…

A: The symbol for each of the neutral isotopes is given below. Mass number = Number of protons + number…

Q: Which of the following statements is true about a compound? A compound is always made up of…

A: The correct option is 3).

Q: Q6. According to the isotope data given below, calculate the weighted average atomic mass of the…

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Q: This is the average of the atomic masses of all the different isotopes in a sample.

A: We are to discuss what the average of the atomic masses of all different isotopes of an element in a…

Q: In which group on the periodic table is Iron? O Alkali metal O Halogen Alkaline earth metal O…

A: A multiple choice question based on the position of Iron in periodic table.

Q: 1 Empirical Formula 2 Mass Percent 3 Percent Composition 4 Anhydrous Compound A compound with a…

A: The empirical formula of a compound does not give the definite proportions of the element in a…

Q: According to Dalton's atomic concept: the difference between the law of constant composition and law…

A: Given: Law of composition and law of multiple proportions has just the difference of ratio of…

Q: Complete the following table. Assume the atom is neutral If electrons or a charge are.not glven. Ple…

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Q: An element has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…

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Q: The average atomic mass of an element is known to be 24.3 amu. Determine the atomic mass of the…

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Q: Which of the following statements is correct? A The mass of 1 mole of C-12 is 12.01 g The isotope…

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Q: On the planet Invertios, boron has two isotopes as follows: Isotope Mass (amu)…

A: Many naturally occuring elements exists as more than one isotope. On the basis of their percentage…

Q: Atomic weight of an element with two naturally occurring isotopes. Isotope Isotopic Mass…

A: For an element, the identifying features are its atomic number and atomic massAtomic number gives…

Q: symbol element capital atom lowercase two solid a) All mater is made up of tiny particles called an…

A: Given : We have to fill the blanks asked in the question.

Q: Which of these statements is not correct according to Dalton's atomic theory? O Elements combine in…

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

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.