A complete atom is electrically neutral because the number of Group of answer choices A) protons and neutrons are equal. B) electrons and neutrons are equal. C) electrons and protons are equal. D) electrons is greater than the number of protons.

Q: What is the charge of an ion that contains 21 protons and 19 electrons?

A: For any neutral atom, the number of electrons present in the atomic shells is equal to the number of…

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: atoms are O None of these statements are true O neutral, with the number of protons equaling the…

A: Answer  All atoms are  Correct statement about atom in all…

Q: Dalton proposed an Atomic Theory in which all atoms of an element are identical and have the same…

A: Dalton proposed an Atomic Theory in which all atoms of an element are identical and have the same…

Q: 2. Fill in the following table using your knowledge of atom and periodic table. symbol Atomic Atomic…

A: Atomic number = Number of electrons  =  Number of protons Atomic Mass = Number of protons + Number…

Q: Using all of the rules you determined during the 'Building an Atom' practical, figure out whether…

A: An atom is composed of nucleus, containing protons and neutrons, and electrons present around the…

Q: Identify the INCORRECT Statement below: A The electron and the proton have charges equal in…

A: Atomic number = number of protons  Avogadro number = 6.022 x 1023

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron . Using…

A: Given that the charge on a proton is twice that of an electron, we can assume that for every single…

Q: Atom Atomic Number Mass Number 1 7 15 11 22 3 14 28 4 15 30 Based on information in the table above…

A:

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why?…

A: The basic unit of matter is called atom. Various theories were given to explain structure of atom.…

Q: Consider a hypothetical how many protons, neu" proton(s) neutron(s) electronís)

A: According to the question, we need to calculate the number of protons, neutrons, and electrons…

Q: (1) and (2) have roughly the same mass. (1) = neutrons, (2) = atoms. O (1) = electrons, (2) =…

A:

Q: After Rutherford discovered the nucleus, which model of the atom is thought to be true? * O Protons,…

A: Rutherford discovered the nucleus by the alpha scattering experiment.

Q: What does an atom become when the number of its protons exceeds the number of its electrons?

A: The subatomic particles of an atom are, Electrons (negatively charged) Protons (positively charged)…

Q: Q1 Q2 Q3 Element: N Mass number: 15 23 Neutrons: 12 46 Protons: Electrons: 35

A: The different variants of a particular element, that are differed by the number of neutrons. In…

Q: 1) Which of the following is a pure substance that cannot be broken down by chemical means into…

A: An element is always pure and cannot be broken further into simpler substances by chemical methods…

Q: Which of these statements is an accurate description of an atom of potassium-40? O It is an isotope…

A: To determine which of the given statement describe the potassium-40  It is an isotope with 40…

Q: complete the following information. If necessary, use the periodic table. Nuclear symbol = ? Charge…

A: Answer :- Nuclear symbol :- Chemists generally used certain element using standard atomic notation ,…

Q: When electrons and protons are equal, it is a neutral atom. A Quick Action: INB Atoms "APE MAN" This…

A: In any neutral atom, the number of protons and electrons will always be equal. This is because the…

Q: Key A Proton O Neutron * Electron Based on the diagram and the periodic table, which three…

A:

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: the number of protons in an atom is equal to the atomic number true or false?

A: Given statement :- The number of protons in an atom is equal to the atomic number  To determine :-…

Q: 1.) How do different atomic theories differ from Daltons atomic theory? 2.) Why did Rutherford…

A: Ans 1) there are total 5 atomic theories :- Dalton's atomic theory :- plum pudding model by JJ…

Q: if the number of electrons is than The overall charge of an atom is the number of protons. B)…

A: Given :

Q: Fill in the table with the atomic information of the following given elements. In the second column,…

A: This problem can be solved from the concept of the structure of the atom.

Q: Which atomic particles are electrically charged? (a) electrons and neutrons (b) neutrons and protons…

A: Given, Which atomic particles are electrically charged?(a) electrons and neutrons(b) neutrons and…

Q: Write the symbol for an atom/ion with the following information  the ion with a 3+ charge, 28…

A: An ion has 3+ charge with 28 electrons and 40 neutrons .We have to find out the symbol for an…

Q: An atom has a mass number of 66. Its number of neutrons is the sum of its atomic number and six. How…

A: A= N+Z A=ATOMIC MASS Z=ATOMIC NUMBER  N= NUMBER OF NEUTRONS

Q: 120 1. How many electrons, protons, and neutrons are in ['50 Sn]* ₂ A) 54 electrons, 50 protons, and…

A:

Q: Rank the atoms represented by the following sets of subatomic particles from smallest to largest in…

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

Q: Write the standard atomic notation for an atom with 20 neutrons, 26 electrons, and 26 protons. Note…

A: This solved by atomic number and atomic weight determination.

Q: QUESTION 1 The Scientific Method is a universal system for performing experimental research. •…

A: Please find the below attachment.

Q: Which of the following was not postulated by Dalton? Group of answer choices A, Atoms of one element…

A: The Dalton atomic theory was the first attempt to describe the structure of an atom. According to…

Q: identity defines the Atomic number of an atom . It is the number of protons found in the nucleus of…

A: A question based on matching the correct words, which is to be accomplished.

Q: How do you figure how many neutrons and protons are in an isotope? for example 22 Ne

A: The atomic number in the periodic table refers to the number of protons.   To determine the number…

Q: If an atom has 13 protons, what element is it? Explain your answer

A: Number of protons = 13 Identify the element = ?

Q: Which idea came out of Rutherford’s gold foil experiment?a) Atoms contain protons and neutrons.b)…

A: Rutherford’s gold foil experiment is also called as Planetary model of the atom in which he told…

Q: a) the halogen in the same period as the alkali metal with 11 protons. Element b) the alkaline earth…

A: Given: A) The halogen in the same period as the alkali metal with 11 protons? b) The alkaline earth…

Q: Which of John Dalton’s theories given below were found to be INCORRECT? 1. the atoms of elements…

A: Dalton's atomic theory was the first theory to describe all matter in terms of atoms and their…

Q: 23)

A: THE ANSWERE IS GIVEN BELOW :

Q: Complete the table below, using the diagram of an atom shown at right. Properties of subatomic…

A: In an atom three fundamental particles are present. Positively charged particle protons and neutral…

Q: An element from the Periodic Table is shown below. The atomic mass is given. A) Give the Name,…

A: Atomic mass: Atomic mass of an element is the total number of protons and neutrons present in the…

Q: A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 65. The number of…

A:

Q: Give the correct isotope symbol to identify an atom that contains 4 protons, 4 electrons, and 5…

A:

Q: Which is true about subatomic particles? Select the correct answer below: Protons, neutrons, and…

A: All the matters are formed from the atoms. The atom is formed by three subatomic particles, protons,…

Group 14 Elements

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