2. IRON Atcimic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

Q: what is used to determine an atom's weight and atomic number?

A: There are several use of atomic number and atomic weight of any atom as__ A=Z +n  Where  A is atomic…

Q: What is an element composed of?

A: An element is a pure material made up of atoms with the same number of protons in their atomic…

Q: • Part D Based on your answer in Part B, how many neutrons are in this amount of C? Express your…

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Q: g. What is the atomic number for potassium? h. What is the atomic mass for potassium? i. How is the…

A:

Q: ered neutro

A: Neutron is a fundamental particle present in the nucleus of an atom.

Q: Calculate the atomic mass of of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu,…

A: Average atomic Mass: It is calculated for elements having isotopes. Isotopes: The elements which has…

Q: mass number for the calcium isotope with 22 neutrons

A:

Q: A radioactive isotope of uranium has 146 neutrons, the total number of nucleons in this isotope of…

A: Uranium consist of three radio-active isotopes- uranium-238 , uranium-235 and uranium- 234. They…

Q: Isotopes means; same element can have different masses.

A: Isotopes mean;  same element can have different masses: True Explanation:  Isotopes are a family of…

Q: Bromine also occurs in nature as two isotopes. What is the specific mass of each isotope? What is…

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Q: How do isotopes of a given element differ? How are they similar?

A: In the question, it is asked about the isotopes that what are isotopes and in what manner they are…

Q: If mass # is 141 and the # of protons 58, what is the atomic symbol and the # of neutrons?

A: Given:The mass number  of atom = 141 The no of proton = 58

Q: The number of protons (is, is not) always equal to thenumber of electrons in orbit around the…

A: The symbol of an element is defined as  ZXA Where  A = mass number = Z + N              Z  = Atomic…

Q: 1. Potassium naturally consists of 93.10% K- 39 and 6.90% K-41. K-39 has an atomic mass of 38.963707…

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Q: Which of these atoms have the less mass

A: Number of protons and neutrons tells the atomic mass of the element. Higher the number of electrons…

Q: What is the number of protons of the given element?

A:

Q: . The number of protons in the nucleus of an atom iscalled the ___________.

A: An atom is made up of three particles: neutrons, protons, and electrons, with the exception of…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: 2.5 million atoms of particular element have a mass of 8.33X10^-16 grams. What is this element?

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Q: 35. What is the total number of electrons in a phosphorus ion?

A: The phosphorous atom symbol is P which has the atomic number 15.

Q: What is the mass of each isotope?

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

Q: Explain why atomic masses are not whole numbers.

A: The atomic masses are an important quantity of each element. Each element of the periodic table will…

Q: What subatomic particle is the primary concern of chemistry?

A: Bohr model gives information about three basic subatomic particles.

Q: The most abundant isotope of Hydrogen has a mass of 1 amu.  Therefore, the average atomic mass on…

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Q: Find the number of protons, electrons, neutrons of and symbol of Tungsten.

A: The number of protons, electrons, neutrons of and symbol of Tungsten has to be given,

Q: An atom has a mass number of 55. Its number of neutrons is the sum of itsatomic number and five. How…

A: A nucleus contains +vely charged protons and electrically neutral neutrons. These particles are…

Q: 4. HYDROGEN Atomic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

A: Given element,    Hydrogen (H)

Q: Complete the following statements: a. The atomic number gives the number of _______ in the nucleus.…

A: The number of protons, neutrons and electrons which make up a neutral atom has to be given. A…

Q: Chemistry midterm A neutron has a mass of and a charge of

A: A neutron is a particle present in the nucleus of the atom. It is a neutral particle having 1 unit…

Q: What is the Law of Multiple of Proportions?

A: Law of Multiple Proportions ----- When two elements react to form two or more compounds, than the…

Q: of Protons and Neutrons ir

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Q: Element: Magnesium Number of Number of Abundance Abundance Name of isotope Mass (amu) Protons…

A: Since you have posted multiple questions with multiple sub-parts, we are entitled to answer the…

Q: The isotope of Nitrogen with a mass of 15amu is written as _? The isotope of Uranium with a mass of…

A:

Q: Describe how the atomic and mass numbers change, with at least one specific example?

A: An atom has a nucleus situated at the center and the electrons are surrounding it. The nucleus has…

Q: Which part of the atom has most of mass ?

A: Most of an atom's mass is in its nucleus.

Q: 3. Atomic #= # of and # of Atomic Mass= #.of neutronsD

A: Protons , Neutrons and Electrons are called as sub atomic particles. The reason they are said so…

Q: can explain isotope and how to find atomic number and mass

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Q: Give a Characteristics of an Atomic?

A: Solution-   An atom has three subatomic particles The nucleus has a well-charged atomic center and…

Q: 1. Consider a neutral atom, the atomic number is equal to (a) mass of neutron (b) number of proton…

A: Atomic number depends on proton number

Q: What is the mass of theis example explain

A: Explainination :      In mass spectroscopy, neutral organic molecule (M) in the vapour or gaseous…

Q: mass of an atom of gold in mm

A: Here we have to calculate the mass of gold in terms of mm( millimeter). Mass of gold = 196.96657…

Q: What particles comprise the charge of the nucleus?

A: To find : What particles comprise the charge of the nucleus.

Q: For 223FT, number of protons = number of neutrons = + and number of electrons = For 227 Fr, number…

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

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.