Which of the following are isotope pairs?

Q: An element reacts with oxygen to give a compound with a high melting point. This compound is also…

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Q: what is the chemical formula for potassium phosphate

A: Potassium phosphate is a common term for salts of potassium and phosphate ions.

Q: Why has the atomic model changed over time?

A: Atomic model are the model proposed by eminent scientist to explain the structure of the atom and…

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: 0. Calculate the stan 2FES:(s) + 50:(g) → 2FEO(s) +4SO:(g)AH°rn =-1370 kJ 4H for FeO(s)=-268 kJ/mol…

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Q: Describe the general structure of an atom and its isotopes.

A: Atom is the basic unit of matter it consists of a heavy positive mass at its center called the…

Q: What is the mass of 4.97×1021 platinum atoms?

A: Mass has many units. Its SI unit is Kg. On atomic level, atomic mass unit, molar mass, molecular…

Q: 57. Which elements are alkaline earth metals?(a) sodium(b) aluminum(c) calcium(d) barium(e) lithium

A: The elements in the tabular form when arranged on the property of the increasing atomic number order…

Q: State two differences between a metal and a nonmetal.

A: Metal Non-metal Metals are electropositive. Metals are good conductors of electricity.…

Q: another

A: An atom consist of electron , proton and neutron. Where electron is negatively charged. Proton is…

Q: Define the term monatomic ion?

A: The term monatomic ion has to be defined.

Q: Predict the common charge of the silver ion.

A: The valence electrons or oxidation state of an atom affect its charge. The outer electron shell of…

Q: What are the noble gases?

A: Noble gases has to be defined.

Q: which is most rare noble gas?

A: The rare gas is a gas that is present in very small amounts in the air. The rare noble gases are…

Q: which group of elements is the most reactive which group of elements is the least reactive 

A: Reactivity refers to the ability of an element to participate in chemical bond formation either by…

Q: What are some characteristic properties of elements to the left of the elements along the…

A: The staircase in the periodic table is a dividing line between the metals and nonmetals.  The…

Q: 9. Which element has the highest first ionization energy? (a) Be (b) B (c) C (d) N (e) O 10. The…

A: The correct answer is given below

Q: An unknown element X has the following isotopes: ²⁵X (80.50% abundant, mass = 25.03 amu) and ²⁷X…

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Q: is there a way to find out what all the isotopes for an element is by looking at the periodic table?

A: Nuclear chemistry and atomic structure, which are fundamental aspects of chemistry that explore the…

Q: Describe each of the Hydrogen isotopes, as well as their ions

A: Mainly three isotopes of Hydrogen occurs in nature. These are  protium (1H), deuterium (2H) and…

Q: on No. 13 of most elements are not able to exist dently'. Atoms which exist as dent atoms among the…

A: The atoms of only a few elements called noble gases (Such as helium, neon, argon and kryton, etc.)…

Q: Elements in group 2A (2) of the periodic table form ions with a charge of?

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Q: Identify element X by giving its chemical symbol, based on the following information about an ion…

A: Note: Since you have posted a question with multiple sub parts, we will provide the solution only to…

Q: Why do atoms combine chemically with other atoms?

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Q: The natural isotopes of sulfur and their molar masses and mass fractions are respectively 2210S:…

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Q: Give the ground-state electron configuration for each of the following elements. (a) Nitrogen (b)…

A: Given,The atoms:(a) Nitrogen:(b) Helium:

Q: Which of the subatomic particles participate in the chemical bonding between atoms?

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Q: Describe our current understanding of an atom?

A: The solution is given  below-

Q: What are the structure and chemistry of nuclectides?

A: What are the structure and chemistry of nuclectides.,

Q: 1. A car is moving with a velocity of 65 km/hr. How many miles would it travel in 35 sec. (1 mile…

A: Mathematical calculation is shown below

Q: Identify recognise and name of subatomic particles of an atom

A: The question is based on the concept of atomic structure.We need to identify subatomic particles of…

Q: Consider Cr-54, Fe-54, Fe-58 and Ni-58 , which of this are isobars and which are isotopes

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Q: What is the formula of cadmium oxide?

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Q: What is the mass ratio of chlorine to phosphorus in Compound B?

A: Mass of chlorine in compound B is 40.9gMass of phosphorus in compound B is 11.9g