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

Q: How do you calculate the atomic mass of a specific isotope of an element?

A:

Q: Which subatomic particle was discovered by researchers working with cathode-ray tubes?

A: Cathode ray tube experiment Cathode ray tubes are sealed glass tubes are sealed glass tubes that are…

Q: Some chlorine atoms have an atomic mass of 37, while others have an atomic mass of 35. What is the…

A: The mass number of an atom is the sum of proton and neutrons present in that atom.  Mass number =…

Q: What are subatomic particles?

A: Sub atomic particle, also called elementary particle, any of various self contained units of matter…

Q: Explain and identify atomic number, and atomic mass

A: Atomic number-> ->Atomic number is the number of protons present in an atom. ->It can not…

Q: The lesson is all about atomic mass

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Q: What is the mass number and atomic number of a chlorine atom that has 17 protons amd 18 neutrons?

A: Given that, chlorine atom that has 17 protons amd 18 neutrons then,

Q: Differentiate between the mass number and the atomic number?

A: Mass number (A)- the number of protons(p) and neutrons(n) present in an atom of element called as…

Q: List the three subatomic particles that compose atoms and give thebasic properties (mass and charge)…

A: An atom is made of three subatomic particles namely, protons, electrons, and neutrons. The protons…

Q: What is atomic weight?

A: The Matter is composed of the smallest unit known as an atom. The atom has 3 subatomic particles…

Q: A carbon atom has a mass number of 12 and an atomic number of 6. How many neutrons does it have?

A: The atomic no. of the atom can be described as the total no. of protons that are present in the…

Q: Describe the atom and its components.

A: atoms are the smallest things in the universe and could not be divided. We know that atoms are made…

Q: Determine the atomic symbol, atomic number, and mass number for the isotopes that match each of the…

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Q: What subatomic particles will be found in the nucleus of an atom ?

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Q: What is meant by neutrons ?

A: The minute particle of a substance is called as an atom. Atom consists of subatomic particles.…

Q: What is the difference between the atomic mass and the atomic weight?

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Q: What factors have led to changes in atomic mass since 1910?

A: Atomic Mass - It is basically the mass of an atom.

Q: Compare the relative charge and mass of each of the subatomic particles.

A: We have to compare the relative charge and mass of each of the subatomic particles. Solution:  There…

Q: Which subatomic particle determines the atomic number?What determines the mass number?

A: Atom is the fundamental unit of a chemical compound or matter. An atom consists a nucleus in which…

Q: How is the mass number related to the number of protons and neutrons an atom has?

A: The nucleus of an atom contains three sub-atomic particles. These are protons, neutrons and…

Q: Write the atomic symbol for the isotope with mass number 84.

A:

Q: What is the difference between atomic number and atomic weight?

A: The atomic number corresponds to the number of protons present in an atom. It is represented by Z.…

Q: How are isotopes depicted in an atomic symbol?

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Q: How many electrons does it take to equal the mass of a proton?

A: An atom is made up of three subatomic particles. These are known as protons and neutrons that are…

Q: Indicate the isotope having 12 protons, 11 neutrons and 12 electrons.

A: We have to predict the element symbol.

Q: Define atomic mass

A: The basic unit of matter is an atom. The physical and chemical nature of an atom is defined by its…

Q: Determine the number of subatomic particles of an atom given its mass number and

A: Either one of the thing is given atomic mass/ atomic no/ no of electron/proton/neutron or  name or…

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: What are the different mass numbers of Isotopes ?

A: Different mass numbers of Isotopes are explained below,

Q: What does the atomic structure or the atomic number tell us about the identity of an element?

A: We have to tell what does the atomic structure or the atomic number tell us about the identity of an…

Q: The nucleus of an atom contains 56 neutrons.  The atom contains 43 electrons.  What element is it…

A: Given, Number of neutrons = 56 Number of electrons = 43 To calculate the mass number and to find…

Q: Distinguish isotopes and calculate atomic weight

A: An atom consists of three sub-atomic particles known as electrons, protons and neutrons. The number…

Q: Name and describe the components of an atom

A: Atom is the basic unit of matter All the matter in this universe is made of atoms.

Q: What is the mass number of an isotope?

A: Isotopes are those atoms which having same elements and they are having protons of same number and…

Q: An isotope has a mass number of 13 and an atomic number of 6. How many neutrons does this isotope…

A: Number of neutrons =  Mass number - Atomic Number

Q: Isotopes of an element have the same number of _______________________ but different numbers of…

A: Isotopes are those atoms of elements which possess equal protons. Their neutron numbers are…

Q: How do the terms atomic mass and atomic weight differ?

A: Atomic mass and atomic weight, both the terms are used for measurement of its quantity.

Q: What are the main components of an atom ?

A: The main components of an atoms has to be given.

Q: mass number and atomic number of the alpha particle

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Q: How to determine the mass number of an atom given the atomic mass (amu)?

A: Mass number is the sum of total number of protons and neutrons in an atomic nucleus.

Q: What is the difference between mass number and atomic number?

A: Atomic number:The atomic number of the element is the number of protons present in that element.Mass…

Q: What two particles are used to determine the mass number of an atom?

A: Given a three points  1-           proton 2-          neutron 2-          electron Determined the…

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…

Q: Silver occurs as two isotopes with atomic masses 106.9041 and 108.9047 amu. The first isotope…

A: The avg Atomic mass = (Atomic mass of isotope 1 X % of isotope 1 + Atomic mass of isotope 2 X % of…

Q: When the Number of Neutrons Varies?

A: Atomic number (Z)- the number of protons or electrons present in an atom of element called as atomic…

Q: What is the difference between the mass number and the atomic number of an atom?

A: Mass number represents the sum of protons and neutrons present inside the nucleus of an atom.

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.