Atoms consist of ________ that are positively charged; neu-trons, which carry a ________ charge; and ________, which carrya negative charge. The protons and neutrons together form theatomic ________, while the electrons ________ the nucleus.Atomic weight refers to the number of ________ and ________found in an element. Atomic ________ refers to the number ofprotons found in an atom of a given element.

Q: Rutherford’s gold foil experiment consisted of firing positively charged alpha particles at a thin…

A: Rutherford alpha particle experiment. He observed that when alpha particles are passed through the…

Q: What are subatomic particles?

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

Q: The element cubidium (Rb) has two isotopes. 85 Rb. has an Otomic maS3 Of 84.911789 87 Rb has an…

A:

Q: Approximately how many times greater is the diameterof an atom than the diameter of its nucleus?…

A: Atoms are bigger in size and in the center of the atom nucleus is present.

Q: Fill in the blanks. The subatomic particle _____________ lacks a charge and are located in…

A: Subatomic particles are neutron , proton and electron in which electron has -ve charge proton has…

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: 8) What kind of formular is C,H,O, consider as? A) Empirical formula B) Moleculr formula C)…

A: Protons and neutrons are present inside the nucleus and electrons are revolving around the nucleus…

Q: A helium nucleus has two protons and two neutrons. Howmany electrons would it take to equal the mass…

A: ANSWER

Q: Fill in the table with the most information you can. Use pictorial illustrations whenever necessary.…

A: Structure of atom has been described on the basis of various types of atomic model given by various…

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: A helium nucleus has two protons and two neutrons. How many electrons does it take to equal the mass…

A:

Q: An element has three naturally occurring isotopes. What other information must you know in order to…

A: Natural abundance and mass number of atoms of an element are required for calculation of atomic mass…

Q: which of three subatomic particle was discovered first - the proton, neutron or electron?

A: The subatomic particle out of the three that was discovered first is to be identified- the proton,…

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

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

Q: An Element G has two naturolly 0CCUrIing rsolopes. ing fsolopes. The first isotope has a mass of…

A: The average mass of all the isotopes of an element is known as average mass of the isotope.

Q: has a mass about the same as that of a proton has a-1 charge is found in the nucleus is attracted to…

A:

Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…

A: Ans  A)  The electron cloud .

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: Fill in the blanks:a. Isotopes of an element differ in mass because the atomshave a different number…

A: The complete statements have to be provided.

Q: What is the atomic mass of hafnium if, out of every 100 atoms, 5 have a mass of 176 amu, 19 have a…

A: The atomic mass of any element is given by the average mass of its naturally occurring isotopes.…

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

A:

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation.…

A: The Radioactive atoms emit radiation of different frequencies.  The radiation are emitted by the…

Q: Describe the experiment that provided the basis for ourunderstanding of the nucleus.

A: Describe the experiment that provided the basis for our understanding of the nucleus.

Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please…

A: Answer of given questions are as follows:

Q: what is the A, Z, E, CHARGE, MASS, # OF NUETRONS, PROTONS AND ELECTRONS OF POTASSIUM -40

A: Mass number (A) = number of protons + number of neutrons Atomic number (Z) = number of protons. E =…

Q: Part D an isotope with a mass number of 52 and 28 neutrons Express your answer as an isotope. ΑΣφ ?…

A: Write the symbol of the given isotopes ----

Q: Which subatomic particles have a negative charge?

A: A typical atom consists of three subatomic particles: protons, neutrons, and electrons. Protons and…

Q: How many isotopes does this element have?

A: From the graph, it is cleared that the number of isotopes of the unknown element is 5.

Q: An element has two naturally occuring isotopes. Isotpe 1 has a mass of 120.9038 amu and a relative…

A: Given :  Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4% and isotope 2 has a…

Q: A student says,A carbon atom is not the smallest possible amount of carbon, because atoms are built…

A: An atom contains electrons, protons and neutrons. Therefore, a carbon atom is composed of its…

Q: Draw a diagram of Rutherford's experiment and describe it. Include a full description of how the…

A: Rutherford uses a gold thin foil and alpha-particles and because of that this model is also known as…

Q: Enter the atomic symbol, including mass number and atomic number, for iodine-127. Express your…

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

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: The nucleus of an atom has a positive charge.

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

Q: ow to describe isotopes in my own words

A: By using definition of isotopes.

Q: 2. Add a neutron to the Carbon-12 nucleus. Observe how the mass number changes. Which particle(s)…

A: Atomic number of an atom = number of protons  For a neutral atom :-  No.of protons = number of…

Q: If you wanted to change the atomic number in the simulation, changing the number of which particle…

A: An atom contains the subatomic particles like Electrons, Protons and Neutrons. The subatomic…

Q: The flying out of BB's out of the petri dish in the isotope experiment, represented O a. ice cores O…

A: Isotopes are elements which have the same number of protons as the corresponding element in the…

Q: What particles comprise the charge of the nucleus?

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

Q: In Rutherford's gold foil experiment, a very small number of α-particles were deflected, what about…

A: Given  Statement of Rutherfold's gold foil experiment = deflection by small number of alpha particle…

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…

Q: In complete sentence, describe the similarities and differences between: Different isotopes of an…

A: In a complete sentence, describe the similarities and differences between different isotopes of an…

Q: Silicon has three naturally occurring isotopes: 92.23% of Si-28 with an atomic weight of 27.9769…

A:

Q: Consider 39K,   a The mass number (A) is 39  b The atomic number (Z) is 39  c Blank  d The atomic…

A: Representation of an element: XZA X = symbol of element Z = atomic number of element A = atomic mass…

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.