sotope #1 • Element Symbol 79 • Nuclear Symbol: Br 35 • Atomic Number • Mass Number • Protons • Neutrons • Electrons Isotope #2 • Element Symbol: Fe • Nuclear Symbol • Atomic Number • Mass Number: 55 • Protons • Neutrons • Electrons: 26 Isotope #3

Q: Which subatomic particle has a negative (-1) charge?

A: There are total 3 sub-atomic particles which are present in any atom.

Q: Calculate the atomic mass of element "X", if it has 3 naturally occurring isotopes with the…

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Q: Which isotope has the same number of electrons and neutrons as the anion 19F-?

A:

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: Q1 Q2 Q3 Element: N Mass number: 15 23 Neutrons: 12 46 Protons: Electrons: 35

A: The different variants of a particular element, that are differed by the number of neutrons. In…

Q: Silver has two isotopes that are common  in nature. Ag - 107 and  Ag - 109. What  makesthese  two…

A: The solution is given below -

Q: Use the following table of data to calculate the average atomic mass of an unknown element, X:…

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Q: How many protons, neutrons, and electrons are in an atom of strontium-90?

A: The atomic number of strontium is 38. The atomic number present in a neutral atom is always equal to…

Q: Write a complete nuclear symbol for a species that has 46 protons, 61 neutrons and 43 electrons:

A:

Q: Which of the following lists all three subatomic particles? matter; atoms and nucleus matter; atoms…

A: 3) There are total 3 sub-atomic particles which are present in any atom.

Q: If Chlorine has an atomic number of 17 and an atomic mass of 35, how many protons, neutrons, and…

A: Given that, Atomic no. of Cl = 17 Atomic mass of Cl= 35 then,

Q: How are protons and neutrons similar? How are they different?

A: Similarities: Protons and neutrons have almost the same mass and are both located in the nucleus of…

Q: 2.) Average Atomic Mass: Given the following data, supply the average atomic mass for the element…

A: Magnesium has three isotopes and the average atomic mass of magnesium can be calculated by using the…

Q: Select the two isotopes of nitrogen-15. NN-16 N714N714 F2−F2− phosphorus-15 OO-15 O+O+ O815O815…

A: Isotope - atomic number will be same  Answer will be - N815 O+

Q: What is the difference between protons and neutrons?

A: We have to write the difference between protons and neutrons.

Q: What are the two different notations for an element with 6 protons, 6 electrons, and 8 neutrons?

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Q: Consider a hypothetical element, "X". Suppose "X" has two naturally occurring isotopes with the…

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Q: For the 19O2- Isotope identify the number of Protons,  Neutrons,  Electrons

A: For a general element, XZA Z- atomic number = number of protons A- mass number = number of protons +…

Q: A new synthetic element is found to have two isotopes. Isotope #1 has a mass of 310.9 amu and…

A: A new synthetic element is found to have two isotopes.Mass of isotope #1 (m1) =  310.9 amuMass of…

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

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

Q: Which statement about isotopes is false? O Radioisotopes are unstable and spontaneously emit…

A: Isotopes are atoms which have same atomic number but different mass number.so isotopes have same…

Q: For the sodium ion, how many protons, electrons and neutrons are present?

A: Sodium ion - Na+  Sodium(1+) is a monoatomic monocation produced from sodium. It has a role as a…

Q: Complete the table below: Substance Atom or Ion? # protons # neutrons # electrons Atomic # Mass…

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

Q: 5. Complete the table below: Symbol 206pb ?Cu²+ # Protons # Neutrons 31 52 39 76 34 # Electrons 54…

A: Mass number = mass of proton + mass of neutron Atomic number= number protons In a atom number of…

Q: Try to complete the missing information for these three isotopes using only the data provided.…

A: *Element symbol: it is symbol in form of letters generally shown by initials of the name of element…

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent…

A: To find out the mass of the element, multiply both mass of isotopes and their natural abundance. You…

Q: 4, How many protons, electrons, and neutrons contains an ion of  26Al3+ protons…

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Q: what element has 27 electrons and 29 neutrons ?

A: Element consist of Atoms. Atoms may consist of subatomic particle that is electron, proton and…

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.