Which of the following have the same charge andapproximately the same mass?(a) an electron and a proton; (b) a proton and aneutron; (c) a hydrogen atom and a proton; (d) aneutron and a hydrogen atom; (e) an electron andan ion

Q: Is the statement consistent with Dalton’s atomic theory as it was originally stated? Why? Sulfur and…

A: Concept introduction: Dalton's atomic theory was the first complete attempt to describe all matter…

Q: The first atoms of seaborgium (Sg) were identified in 1974.The longest-lived isotope of Sg has a…

A: (a) we are asked to give the of protons electrons and neutrons in the given atom 266Sg  The number…

Q: What is the charge for an atom that has 28 protons, 28 electrons, and 30 neutrons?

A:

Q: Where on the periodic table are metalloids found?

A: ANSWER

Q: Consider a hypothetical case in which the change on a proton twice that of electron. Using this…

A: Given: A hypothetical case is considered in which the charge on proton is twice that of electron.

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

A:

Q: Phosphorus has the atomic number 15 and an atomicmass of 31 amu. How many protons, neutrons, and…

A: In a neutral phosphorus atom:

Q: 23U → 23Th + He 2. For each element, what do the top (superscripted) and the bottom (subscripted)…

A: Introduction: In the above reaction nucleus of uranium undergoes alpha decay ,in this nuclear change…

Q: Atoms of the same element that have different atomic masses are called isotopes

A: An isotope is a variation of an element that possesses the same atomic number but a different mass…

Q: An atomic anion with a charge of – 1 has the following electron configura 1s²2s²2p° What is the…

A: Anion is formed by gain of electrons.

Q: Give the nuclear symbol (isotope symbol) for the isotope of bromine, Br, that contains 46 neutrons…

A:

Q: the subatomic particle with no charge is the? a. proton b. neutron c. atom d. electron

A: We have to predict no charge species.

Q: pretend that an atom has 25 protons, 20 electrons, and 30 neutrons. What is that charge?

A:

Q: What are the components of an atom? How are they different?

A: The components of an atom and how are they different have to be explained below.

Q: A subatomic particle that has about the same mass asthe hydrogen atom and a negative charge is…

A: Subatomic particles are particles that are smaller than atoms. Generally, atoms are compromised of…

Q: how do i wirte the atomic symbol for the isotope a chlorine atom with 18 neutrons

A: Nuclide /atomic symbol of an atom is shown below:

Q: If an atom has 35 protons in the nucleus,how many electrons will it have orbiting the nucleus?

A: An atom contains three sub-atomic particles. These are protons, neutrons and electrons.

Q: Roughly speaking, the radius of an atom is about 10,000times greater than that of its nucleus. If an…

A: The radius of the atom in miles has to be given,

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are?

A: We need to determine wheather  electron, proton or neutron are the smallest particle or not.

Q: Which of the following categories includes the majority of the elements metalloids, nonmetals,…

A:

Q: Molecules with both a positive and a negative charge, but an overall neutral charge, are called…

A: To understand: charge of molecules

Q: Suppose that a hypothetical element con- sists of a mixture of two isotopes. One iso- tope, having…

A:

Q: Name the subatomic particles of an atom, and indicatetheir mass, charge, and location in an atom.

A: The particles which are present inside the atom are known as sub-atomic particles. Each particle has…

Q: The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the…

A: Given information: Atomic volume of argon = 22.56 cm3/mol Atomic volume of krypton = 27.99 cm3/mol

Q: If a neutral atom of an element has 19 electrons and 14 neutrons, its atomic mass is??

A: Given  Number of electron = 19 Number of neutron = 14  atomic mass = ?

Q: Diagram an atom of nitrogen which consists of 7 protons, 7 neutrons and 7 electrons. Be sure to…

A: Answer -

Q: 1. Pick the correct combination for the charges of sub-atomic particles.

A: The objective of this question is to correctly determine the combination of the charges of…

Q: What is the element based on this clue: It has 3 shells of e- and 2e- in last shell?

A:

Q: According to the bohr model of an atom with 14 electrons, how many electrons are in the third energy…

A: Bohr model states that electrons in atoms move in circular orbits around a central nucleus. These…

Q: Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation…

A: The term isotopes can be defined as the variants of a given chemical element that differ in neutron…

Q: In what way are isotopes of a given element always different? In what way(s) are they always the…

A:

Q: I have an atom with 4 protons, 3 neutrons and 4 electrons, what is it's charge neutral negative…

A: proton = electron

Q: Identify the major difference and the major similarityamong isotopes of an element

A: Given information,   The major difference and the major similarity among isotopes of an element

Q: Beryllium has an atomic number of 4. Which of the following statements is true of a neutral…

A:

Q: An unknown particle is caused to move between two electricallycharged plates, as illustrated in…

A: a) The unknown particle present between the two electrically charged particles is hypothesized to be…

Q: b. Rutherford created the cathode-ray tube and was the lith Which of the following is(are) correct?…

A: The correct statement (s) are to be determined. (a) Ca2+2040 ion : The atomic number=20 The number…

Q: a) How many protons, electrons, and neutrons are in an 266 Sg atom? (atomic mass = 266) b) Atoms…

A: Elements are the species which consist of only one kind of atoms. In other words, species which…

Q: Explain why there is a difference in size between the neutral atom chlorine and its anion, making…

A:

Q: How many electrons, protons, and neutrons are there in an atom ofa40Ca?

A: In the atom 40 Ca,  Atomic number = 40  So, proton number = 40  As it is neutral so,  Electron…

Q: The symbol and atomic number of the lightest metalloid in Group 4A are:

A: Silicon (Si) is the lightest metalloid of Group lVA and its atomic number is 14.

Q: The negative muon (μ−) behaves like a heavy electron, with the same charge as the electron but with…

A: We have a system consisting of a nucleus of platinum (Pt195 with 78 protons and 117 neutrons) and…

Q: Protons and electrons have charges of the same magnitude but opposite sign. true or false?

A: A question about charge and magnitude relationship between protons and electrons.

Q: Do both members of the following pairs have the same num-ber of protons? Neutrons? Electrons?(a) ³₁H…

A: Do both members of the following pairs have the same number of protons? Neutrons? Electrons? (a) ³₁H…

Q: afe onelement consistedof 2130topes with masses of 89.9 omu ond alolamu If los00 X 10-3 moles of…

A: From given we are going to calculate average atomic mass of an element

Q: Among the 118 known elements, there are approximately equal numbers of metals and nonmetals. True or…

A: An element ia a pure substance made up of the same kind of atoms .At present 118 elements are…

Group 14 Elements

The following elements come under group 14 of the periodic table.