What is an element composed of?

Q: What is an Atomic Number?

A: Atomic number  It is represented by the symbol Z. It is the number of protons present in the nucleus…

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: The nucleus, the massive center of an atom, contains which two particles?

A: Nucleus is the massive part of any atoms . It contains mostly all the mass any element. Nucleus was…

Q: What are subatomic particles?

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

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

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

Q: What is the atomic mass unit?

A: Solution- The atomic mass), we can also defined this as mass of the single atom .

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: Identify the three subatomic particles

A: Atom is the smallest unit of matter. It is an indivisible particle.

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

A:

Q: what is  the Periodic table of elements

A: Over the years, many atoms and molecules are discovered by scientists. It became tedious for…

Q: changes in mass (i

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

Q: What is an atom composed of?

A: an atom composed of :

Q: what is the total number of neutrons in hydrogen atom?

A: The atomic number of hydrogen is 1, so there is a one number of proton and the number of neutron is…

Q: What is the atomic mass of silver

A: Silver is a chemical compound with the formula Ag (from Latin argentum, and atomic number 47). It is…

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: Which of the following defines the mass of an atom

A:

Q: Which particles account for most of an atom’s mass?

A: Atoms are the fundamental unit of matter consisting of neutrons, protons and electrons.

Q: What particles are found in the nucleus of an atom? What is the charge of the nucleus?

A: Sub-atomic particles are the particles that are present inside the atom. Three sub-atomic particles…

Q: What does the nucleus of an atom consists of?

A: In an atom, three fundamental particles are present, proton, electron, and neutron.

Q: Differentiate between elements and atoms?

A: Atoms and elements are the major constituents present in every substance. Atoms and elements are…

Q: For the particles of an atom, which two particles have the same mass?

A:

Q: the major portion of an atom's mass consist of

A: Atom Consists generally basic three particle-1. Electron,2.Proton 3. Neutron. there are two part-…

Q: Name various radioactive elements.

A: The various names of radioactive elements are named as in step 2.

Q: A sample of alumminum foil contains 7.5*1023 atoms. What is the mass of the foil?

A: Given : Number of aluminium atoms in the foil = 7.5 X 1023

Q: What is atom

A: The atom is the smallest unit of matter that is composed of three sub-atomic particles: the proton,…

Q: elements given below is of

A: Melting point depends upon crystal lattice system means if atoms of Element are smaller in size then…

Q: What is the atomic mass of an element?

A: Elements: Elements are chemically the simplest substance and hence is not be broken down using…

Q: Write the complete cher states of matter.

A: Write the complete reaction between Ca(OH)2 & HCl?

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 a family or group of elements?

A: Elements: These are the basic pure substances from which chemical compounds can be formed. To define…

Q: Most of the mass or weight of the atom is in

A: Correct Ans - Nucleus Most of the mass or weight of the atom is in the nucleus.

Q: what is the mass of an electron?

A: Electron, lightest stable elementary particle known.

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

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

Q: What defines an element?

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: Are two atoms of the same element identical ?

A: Element are pure substance and cannot be break down into other substance by any means that is…

Q: Define the term the atomic mass unit?

A: Mass number of a substance is equal to the sum of number of neutrons and protons. One atomic mass…

Q: element 'X' is

A:

Q: An example of an element is:

A: We know that,  In modern periodic table, 118 elements is present.

Q: How is the chemical symbol of an element determined?

A: The chemical symbols of the elements can be determined as follows;

Q: whats difference between an atom and an element?

A: The atom and an element are to be differentiated.

Q: State and explain the law of conservation of mass.

A: According to law of conservation of mass, the total mass of the reactant is equal to the total mass…

Q: What is the correct symbol for potassium?

A: The given element name is potassium.

Q: Atoms

A:

Q: What particles comprise the charge of the nucleus?

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

Q: What is the number of atoms in element Pt?

A: The Pt symbol is used for the platinum and it is a member of the VIII B group thus it is a…

Q: What is a diatomic element

A: An element is defined as a substance which contains only one type of atom. For example, a piece of…

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.