Naturally occurring elements are originally formed: O A. Inside the core of stars, or when stars explode and form the heavier elements O B. In the Periodic Table of Elements O C. In science laboratories D. Inside naturally occuring parent elements

Q: A certain element contains one atom of mass 10.013 ufor every four atoms of mass 11.009 u. Compute…

A: Given data contains, Mass of first isotope is 10.013 u. Mass of second isotope is 11.009 u.

Q: Mass Mass Abundance Abundance Avg. mass (from Table 1) Symbol (from Table 1) (Avg. Mass) x (% Abun…

A: Isotopes are same elements that have same atomic number, that is same number of protons, but differ…

Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: State the main points of Dalton’s atomic theory using your own words. Which parts of Dalton’s theory…

A: Introduction: John Dalton, in the year 1808, put forward his atomic theory on the nature of matter.…

Q: Based on the Rutherford model, which charged particles of an atom are easily transferred on rubbing…

A: Rutherford model is also called an atomic model or nuclear model or planetary model of an atom.

Q: Oxygen is a _______ and therefore _______ when it forms an ion   A. nonmetal;       loses…

A: Oxygen is a nonmetal element.

Q: In _______, a negatively charged electron is ejected from the unstable nucleus, converting a neutron…

A: Stability of the nucleus is generally influenced by 3 factors- Mass Defect: greater mass defect,…

Q: The element X has three naturally occurring isotopes. The masses (amu) and % abundances of the…

A: To find the average atomic mass, summing the masses of the elements isotopes, each multiplied by…

Q: Accordingly, which of the following statements is wrong?    A) The mass of an aluminum atom is…

A:

Q: A certain element X has four isotopes. 0.5600% of Xhas a mass of 83.91343amu. 9.860% of Xhas a mass…

A: Since element X is an isotope. Isotopes are that element which has the same atomic number but has…

Q: Can you figure out why most of the α-particles in Rutherford's experiment went through gold foil…

A: Rutherford's experiment is to determine the structure of an atom where Rutherford used alpha…

Q: The number of protons (is, is not) always equal to thenumber of electrons in orbit around the…

A: The symbol of an element is defined as  ZXA Where  A = mass number = Z + N              Z  = Atomic…

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: The element stramonium (Sa, average atomic mass 628.23 u) reacts with the element kingsine (Ks,…

A: Mass of one molecule of SaKs7 = ( average atomic mass of Sa )+ ( 7 X average atomic mass of Ks )…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: mass of magnesium ribbon before experiment is 0.33g mass afer is 0.49g    Determine the mass of…

A: 0.1945 g of O2 combines with Mg to form 0.49 g of MgO.

Q: Summarize indicating Dalton major contribution to the atomic theory.

A: Dalton’s atomic theory was a scientific theory on the nature of matter put forward by the English…

Q: How to get atomic mass protons electrons and neutrons? How do cation and anion work?

A: Atom consist of a heavy mass in the center which is known as nucleus. Nucleus contains protons and…

Q: What did Ernest Rutherford discover about the structure of an atom ?

A: Rutherford carried out alpha-particles scattering experiment by the bombardment of high speed…

Q: Most of the mass of an atom is located in the: Most of the volume of an atomic is occupied by the:

A: Atom mainly consists of the number of three subatomic particles that are proton, electron, and…

Q: protons and neutrons since they both have a mass of 1 amu. Complete the table to show each…

A:

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: How would you determine the accuracy of an atomic mass?

A: The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of…

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: 1. Johanne Dobereiner noticed that when the elements in the atomic mass, the mass of the middle…

A: As you have posted a question with multiple parts, we will solve the first three subparts for you.…

Q: A. Atomic number of Terbium B. Mass number of Carbon C. Element with atomic number 113

A: Given, A. Atomic number of Terbium = ? B. Mass number of Carbon = ? C. Element with atomic number…

Q: ow many protons does aluminum (Al) have? How many neutrons? How many electrons?

A: Aluminium  atomic number = 13  Electronic  configuration  of aluminium = 1s22s22p63s23p1

Q: 5.) Usina ave rage atomic massos elenents ai125 carbon for ,calculatie the meess of each atoms b.5…

A: ***As per Bartleby's guidelines, I can solve only the first three questions. You can resubmit the…

Q: 3) In a far away land and long ago, a series of experiments were carried out. Three samples of…

A: In 2) Use law of constang proportion Divide the both Kalium and pyron masses We see that A same and…

Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

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 if Rutherford believed atoms were as Dalton envisioned them? What do you suppose Rutherford…

A:

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

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

Q: The existence of isotopes violates one of the original ideas of Dalton’s atomic theory. Which one?

A:

Q: If you break apart an ________ of an element like carbon, it’s not carbon anymore.

A: The smallest unit of matter is called the atom.

Q: d. Sulfur trioxide, SO, e. dinitrogen tetroxide, N,O, f. Chlorate, CIO," (one chlorine and three…

A: The species given are SO3, N2O4 and ClO3-.

Q: Fusion is cool, small things come together and make bigger things. For example, if two carbon-12's…

A: Atomic No. of carbon is :- 6 Mass of C-12 carbon is :- 12 Atomic no. Silicone is :- 14 Mass  of…

Q: why Rutherford's model of an atom was considered to be unstable?

A: Rutherford’s experiment:Rutherford suggested that there is something at the center of the metal…

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: ne average atomic mass

A:

Q: -Complete the following table Atoms Number of ņeutrons Number of electrons Carbon 13

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: the isotope Si-28 has a mass of 27.977amu .Calculate the number of moles in 14 grams of Si-28

A: We will use the formula to calculate number of mole Number of moles = Weight (g) / Molar mass Molar…

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: 1. If an atom has a radius of 100 m, it would approximately fill a football stadium. a. what would…

A: a) If an atom has a radius of 100 m, it would approximately fill a football stadium. What would the…

Q: I know how to get the protons and electrons but not sure how to get the neutrons

A:

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.