The number of neutrons in an atom is equal to the mass number - the atomic number. the number of protons. the mass number + the atomic number. the atomic number. the mass number.

Q: the isotope of baron with mass number of 10

A: Given : mass number = 10 And element is boron i.e B

Q: 1. Changing the number of positively charged protons in the nucleus of an element would form T a) a…

A: 1) an atom consist of positive charge proton , negative charge  electron and neutral neutron  Atomic…

Q: What is an atom's mass number? number of protons plus number of neutrons O number of electrons O…

A: We have to predict correct option for mass number.

Q: 34. The nucleus of an atom contains 56 neutrons. The atom contains 43 electrons. What element is it…

A:

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

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: The relative atomic mass of antimony is 121,8. Antimony exists as two isotopes - antimony 121 and…

A: Given, The relative atomic mass of antimony is 121.8 and it's two isotopes  antimony 121 and…

Q: The three stable isotopes of magnesium are Mg2", Mg5 and Mg. The relative atomic mass of magnesium…

A: Given three isotopes of Mg are : a). Mg24 b). Mg25  c). Mg26  Relative atomic mass of Mg = 24.3…

Q: What is the atomic number of magnesium? How many

A: Magnesium :- Atomic No.  = 12 No. of Proton = 12

Q: What letters are used to designate atomic number and mass number in isotopic notation of atoms?

A: There are different symbols are used to exhibit atomic Number and mass number of atoms. Atomic…

Q: True or False? Atomic weight is equal to the number of protons and neutrons in the nucleus.

A: Given : Statement "Atomic weight is equal to the number of protons and neutrons in the nucleus"

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: Write the isotopic notation for an isotope that has an atomic number of 35 and a mass number of 81.

A: Given   Atomic Number   = 35    Mass   Number  =  81  Isotopic Notation     = ?

Q: What pattern do you notice? What's similar about most of the radioactive elements?

A: There is an obvious pattern to look for: Atomic number increases as you move right along a row.…

Q: Which subatomic particle determines the atomic number?What determines the mass number?

A: Atom is the fundamental unit of a chemical compound or matter. An atom consists a nucleus in which…

Q: How is the mass number related to the number of protons and neutrons an atom has?

A: The nucleus of an atom contains three sub-atomic particles. These are protons, neutrons and…

Q: 11) To calculate the number of neutrons in an atom, you would subtract A) mass number from atomic…

A: Sence, you have asked multiple questions so I will solved in details first question for you with…

Q: 1. Determine the number of protons, neutrons and electrons F-20 , a radioactive isotope of fluorine.…

A: 1) The isotope given is F-20.

Q: Consider two elements: one is a gas and the other is a solid. Each contain identical number of…

A: If two elements have same number of electrons in their outer shell(valance shell) then the atoms…

Q: An atom of gadolinium has an atomic number of 64 anda mass number of 153. How many electrons,…

A: Gadolinium element belongs to the F-block element with the atomic number 64 and atomic mass 153 g.…

Q: Write the elemental symbol for each of the following atoms and calculate the number of neutrons:…

A: No of Proton= No of electron=No of atomic Number (a):- atomic No is 55, no of proton is 55 (b):-…

Q: 1. What particles are located in the nucleus? protons and nutrons 2. What particles orbit around the…

A: As you have not asked which question you want us to solve, hence we are solving all the questions…

Q: would have happened to the path of particles in Rutherford’s experiment if he had used a negatively…

A: The experiment of Rutherford tells many important things about the atom. He bombarded alpha…

Q: How many neutrons are in the nucleus of an atom that has an atomic mass of 36 and an atomic number…

A: We are given a atom, lets say X having atomic number 25 and Atomic mass = 36.

Q: atomic number 119 and mass number of 252  where would this element be placed? What period would it…

A: Ununennium   Ununennium, also known as eka-francium or element 119, is the hypothetical…

Q: Write a isotope symbol for An atom with 66 neutrons and a mass number of 116

A: Isotopes are the species that differ to each other in number of neutrons they possess, but have same…

Q: How neutrons, are in 8838Sr?a) 50 b) 88 c) 38 d) 126

A:

Q: What fundamental force is responsible for holding together the subatomic particles of an atomic…

A: There are various physical forces acting all around us. Four fundamental forces are listed below:…

Q: Atomic #- 10 Mass #- 20 # of p+ = # of n - # of e-D # of valence e Atom Symbol- Name of Atom

A: Atom contains sub atomic particles  such as  protons , electrons and neutrons

Q: How is atomic number related to the identity of the atom? What might happen if the relationship…

A: The atomic number denotes  the number of protons in an atom of the element.

Q: How do the mass number and the average atomic mass differ for a particular element?

A: There is difference between mass number and average atomic mass.

Q: To the right is a representation of 50 atoms of a fictitious element called westmontium (Wt). The…

A: No. of atoms of each isotope are as follows: Wt-296 (red) 36 Wt-297 (blue) 2 Wt-298 (green)…

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: 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: 9. What does the atomic number on the periodic table indicate about an atom of that element? A the…

A: Option A will be correct.

Q: Identify for an atom of 9Be: element name: _____________ Z, atomic number = ____         A, mass…

A: Give the answer for 9Be atom= ?

Q: What is the mass number of potassium-39? What is the isotope’s charge?

A: Given atom,      Potassium-39   For a neutral atom, atomic number = Number of protons = Number of…

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: An isotope has a mass number of 13 and an atomic number of 6. How many neutrons does this isotope…

A: Number of neutrons =  Mass number - Atomic Number

Q: Timothy is studying atoms in school. He creates a chart Number to organize of information Neutrons…

A: We do have three sub atomic particles, namely electrons, protons and neutrons with " -1 ,+1 and 0 "…

Q: Element Atomic Number Mass Number Number of Protons Number of Neutrons Number of Electrons Ge Si Ni…

A:

Q: 17.A hypothetical element X is found to have an atomic mass of 37.45 amu. Element X has 2 isotopes,…

A: Given that mass of X-37 = 37.24   Let x be the mass of the other isotope  Fractional abundance of…

Q: What is the abundance of beryllium-10 ?

A: Isotopes are atoms of same elements which have same atomic number but different mass number. In…

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

A: Atom is considered as the smallest particle of matter. There are various models for describing the…

Q: mass number and atomic number of the alpha particle

A:

Q: What is the difference between mass number and atomic number?

A: Atomic number:The atomic number of the element is the number of protons present in that element.Mass…

Q: What is the difference between the mass number and the atomic number of an atom?

A: Mass number represents the sum of protons and neutrons present inside the nucleus of an atom.

Group 14 Elements

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