Which of the following atoms would you expect to be smallest in the follow set of elements?   A.K   B.Na   C.P   D.Cl   E.Ar

Q: How are electrons and protons similar? How are they different?

A:

Q: 14. Mass number is equal to the number of protons and electrons for neautral atom. A. True B.…

A: In a neutral atom, Number of protons = number of electrons Atomic number = number of protons

Q: 1. Describe the difference between the Rutherford model of the atom and the Bohr- Rutherford model…

A: There are different type of models for explaining the atomic model of an atom. Some of them are…

Q: ? 1. The mass on the periodic table. a. Atom 2. Region surrounding the nucleus where electrons are…

A: Solution of your question is given below :  Mass number is the mass on the periodic table .  Mass…

Q: Which statement is true?(a) For a given element, the size of an isotope with more neutrons is larger…

A: For a given element, atoms having same atomic number with different mass number are known as…

Q: 1. A carbon atom with 7 neutrons, and a positive charge. 2. A nitrogen atom with 7 neutrons, 8…

A: Given We know about the number of protone ,nutron  and charge

Q: From the experiments of jj thomson which of the following is not one of his conclusions. electrons…

A: The question is based on the concept of atomic structure. We have to identify the conclusion which…

Q: 67. Which pair of elements do you expect to be most similar? Why?(a) Si and P(b) Cl and F(c) Na and…

A: Periodic table is an arrangement of elements in the order of increasing atomic number from left to…

Q: Protons and neutrons are found in the (a, surrounded by nearly empty space where (b) are located.…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: What is the most complete list of the particle(s) that are located within the nucleus of an atom? A.…

A:

Q: Which of these is a FALSE statement about the structure of the atom? a. An atom with equal numbers…

A: 1. Statement should be written about the Structure of the atom.

Q: Is each of the following statements true or false?a. A proton and an electron have opposite…

A: a. A proton and an electron have opposite charges. The given statement is True. Protons are…

Q: A certain element exists as three different isotopes, 29.1% of all the isotopes have a mass of 75.23…

A: The average atomic mass can be calculated by using Following formula - AAM = (Mass of 1st isotope×%…

Q: Go Figure What is the charge on the particles that form the beam? Will they beattracted to or…

A: Basic unit of matter is atom. Study of atom was done by many scientists. Each scientist made some…

Q: Rutherford's gold foil experiment contributed to the discovery that: A. Atoms contain electrons B.…

A: The given statements about Rutherford's gold foil experiment are : A. Atoms contain electronsB.…

Q: Briefly describe the contribution to atomic theory made by democratic, Dalton, J.J. Thomson and…

A: John Dalton and other scientist notices that every chemical substance combines and break down their…

Q: 1. Complete the following table: Symbol # protons # neutrons # electrons Mass Atomic number Number…

A: The atomic number is the number of protons or electrons present in the element. The atomic mass…

Q: How many 3? electrons are found in each of the following elements? nickel, ?= 28 vanadium, ? = 23…

A:

Q: Part B Complete the sentences to explain your answers. Reset Help particles According to…

A: Given : Some fill in the blanks regarding Rutherford model of atom. To find : Fill in the blanks.…

Q: Many of the CHEMICAL PROPERTIES of the elements vary periodically with the atomic numbers. The best…

A: Periodic table follows the periodic law,  thats chemical and physical properties of the elements are…

Q: "the atom with 38 protons and 49 neutrons"

A: Given,        Number of protons = 38         Number of neutrons = 49  Assume an atom is 'X'

Q: Directions: Use the clues to fill in the words. Words can go across or down. Letters are shared when…

A: ACROSS  2. Nucleus 5. Gold  6. Rutherford

Q: A neutral atom with an atomic number of five has how many electrons? (A) 1 (B) 5 (C) None (D)…

A: Given that, Neutral atom having atomic no. =5

Q: 10. How are elements organized on he Periodic Table of Elements? A increasing atomic mass B…

A: The periodic table (the modern one) is framed based on the modern periodic law which state that the…

Q: Why did J.J. Thompson experiments with cathode ray tubes imply about the mass of an electron…

A:

Q: Rutherford nuclear atomic model depends on Rutherford's observation of scattering behaviour of alfa…

A: Rutherford, in his experiment, passed positively charged alpha-particles through a very thin gold…

Q: match it's meaning

A: A . NOBEL GASES--------3 CONTAIN ELEMENTS IN ALL STATE OF MATTER  AT ROOM TEMERATURE C.…

Q: 24.1% of all isotopes of an element have a mass of 75.23 amu. 48.7% have a mass of 74.61 amu and…

A:

Q: 11. Which element is represented in this model if the atomic number is 3?

A:

Q: Was Democritus’s proposal of the existence of atoms based on scientific methods or ideas? Explain

A:

Q: 5) Consider an atom of the element nitrogen (N). A nitrogen anion can be formed fr this atom by a)…

A: Anion is negatively charged species.

Q: Use the periodic table from an alternative universe below to answer the questions[ Symbol A Atomic…

A: Given: The amount of MAx3 produced=68.4 g. The molar mass of MAx3=mass of M+3(mass of Ax)…

Q: A.Direction: Determine the number of protons, neutrons and electrons in an…

A: In a neutral atom, number of electrons and protons are equal to the atomic number of an atom. The…

Q: 11. What was Rutherford's contribution to the atomic model? A. Electrons are not bound to the…

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

Q: Who performed this experiment? Robert Millikan O Niels Bohr O J. J. Thomson Ernest Rutherford What…

A: Step : 1              the answers for the following multiple choice questions are as follow :

Q: accomplishments

A:

Q: Describe what would happen to Atomic/Ion A if it lost an electron. What would happen if it lost a…

A: An atom is electrically neutral because the no of protons and the no of electrons are equal.  Atomic…

Q: a sample of the element boron with have some atoms with six neutrons and some atoms with 5 neutrons;…

A: Given is a sample of biton atoms, of which some contain 5 neutrons and some contain 6 neutron. We…

Q: Which of the following statements regarding the Rutherford Gold Foil experiment is false? a. The…

A:

Q: 1. Which scientist discovered the quantized nature of electrons? а. Bohr d. Planck b. Dalton e.…

A: Electron has quantized nature.

Q: What is the name for an atom with a nonzero charge? a. Hadron b. lon C. Neutrino d. Quark a O b

A: Hadron, neutrino and quark are subatomic particles

Q: Braw a Bohr model of an oxygen atom in the space below. Be sure to place the electrons in the…

A: In the oxygen atom, for the 16-oxygen isotope, it has 8 protons and 8 neutrons in its nucleus, and 8…

Q: two isotopes of rubidium occur naturally, Rb with mass of 85 and atomic number of 37 at 72.17%…

A: Average atomic mass can be determined by the equation given below:

Q: Which pair of elements has the most similar properties? (a) Sr and Ba                (b) S and Ar(c)…

A: To determine the pair of elements that has the most similar property. (a) Sr and Ba(b) S and Ar(c) H…

Q: Mendeleev left empty spaces in his periodic table for elements he suspected existed but had yet to…

A: Mendeleev is the first who makes groups and rows. Mendeleev also left empty spaces in his periodic…

Q: 70 Zn 30

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

Q: According to the bohr model, an atom with 7 electrons has how many PAIRS of electrons? Type your…

A: An atom consists of protons, neutrons, and electrons sub atomic particles. Among those particles,…

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.