Write the complete cher states of matter.

Q: Isotopes are defined as atoms ofa. the same element with different numbers of protons.b. radioactive…

A: Atoms of the same element have the same number of protons, which is also called the atomic number.

Q: Define the term atomic nucleus?

A: Atoms are the building blocks of any matter. The composition of the atomic nucleus gives information…

Q: List some Isotopes of Carbon?

A: Isotopes are the compounds which have same atomic number(Z) or we can say that they have same number…

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: What is a quark?

A:

Q: What are subatomic particles?

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

Q: What are Radioactive Isotopes ?

A: The term isotope is defined as two or more form of the same element which differs in the number of…

Q: Explain the difference between Z (the atomic number) and A (the mass number)?

A: Concept introduction: Atomic number and mass number are the basic properties of element. An atom…

Q: What is radioactive iodine?

A: Interpretation: What is radioactive iodine is to be determined.

Q: 23. What is the percent natural abundance of isotopes?

A: Atoms having the same atomic number but different mass numbers are known as the isotopes of each…

Q: If two different isotopes have the same atomic number, it must mean that

A: The word isotope is derived from a combination of two words- ‘iso’ means ‘same’ and ‘tope’ means…

Q: What is an atom composed of?

A: an atom composed of :

Q: Which Greek philosopher argued that matter is continuous in 350 B.C?

A: The Greek philosopher, who argued that matter is continuous in 350 B.C has to be stated.

Q: What is the atomic nucleus?

A: An atom is the smallest basic unit of everything in the universe. However an atom have its subatomic…

Q: Define alpha particle, beta particle, and gamma ray.

A: Nuclear reactions are reactions in which one or more nuclei are produced from the collisions between…

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

A: an atom consist of subatomic particle electron ,proton and neutron electron are negatively charged…

Q: What is the charge of the nucleus of element 89?

A: The number of protons corresponds to the charge of the nucleus since Neutrons have no net charge, it…

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

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

Q: What is a neutron?

A: Number of neutrons in an atom = mass number - atomic number

Q: What is a stable isotope of lithium? How many electrons does it have?

A:

Q: what are radioactive elements? Give examples

A: Radioactive elements:When an element is subjected to spontaneous degeneration of its nucleus…

Q: Which of these families has only radioactive elements? * > ><

A:

Q: A- Determine the mass of nucleons and electron by atomic mass unit?

A: mass of 1  electron = 5.45e-4 amu, mass of proton = 1 amu and mass of neutron = 1.     Now, nucleons…

Q: What is the mass of an assembly of 1000 electrons?

A:

Q: A representation of an alpha particle would be

A: The alpha particle, released in nuclear reaction, has the high energy, and the atomic number and…

Q: The difference of a few little protons, neutrons, and electrons can produce a variety of…

A: Atoms are the basic units of matter.  The term "atom" comes from the Greek word and its meaning is…

Q: From greatest to least, rank them by the number of nucleons in the nucleus. Consider the atoms (a)…

A: In chemistry, the term nucleon can be defined as the subatomic particle which is found in the…

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

A:

Q: Write the isotopic symbol for Lead-206.

A: • We need to write the isotopic symbol for Lead-206

Q: Describe Rutherford’s nuclear theory?

A: Rutherford, in his experiment, directed high energy streams of α-particles from a radioactive source…

Q: Nuclear radiation is produce particles and energy. O True O False

A: Nuclear reaction is a process in which two nuclei or nuclear particle collide, to produce different…

Q: Select H, atomic number 1. How many stable Isotopes ofH exist?

A:

Q: does 1 mole of Ba and one mole of Pb have the same mass or a different mass?

A: The molar mass of a substance is equal to the mass of one mole of that substance. One mole of a…

Q: element 'X' is

A:

Q: Which scientist said electrons move around the nucleus billions of times in one second?

A: Several theories were given and attempts were made to elaborate the actual structure of the atom.…

Q: Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons Mass number

A: Given :-  25Mg2+  To calculate :-  number of protons  number of neutrons  number of electrons  mass…

Q: 1. How do atoms attain stability?

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

Q: 55.75g Al + 215,5g Oxygen , what mass is formed

A: Answer= 105.31 g

Q: The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an…

A:

Q: The nucleus of an atom has a positive charge.

A: Answer - Atomic nuclei consist of electrically positive protons and electrically neutral neutrons.…

Q: Magic numbers are associated with protons and neutrons in a nucleus. State the magic numbers for…

A: There are many factors that give to nuclear stability.  These are, Full nuclear shell (magic…

Q: What are Cathode rays?

A: Given information,      Cathode rays

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.