Why is it that elements such as Gold, Fluorine, and Aluminum only have one isotopes?

Q: Define isotope

A: Define isotope

Q: For two isotopes Unk-45 and Unk-47 with relative abundance’s of 12.3% and 87.7%, respectively, which…

A:

Q: An isotope is best defined as two or more forms of the same element that contain equal numbers of…

A: Isotopes are derivatives of certain different chemical components differing from neutron number to…

Q: Calculate the atomic mass of element "X", if it has 3 naturally occurring isotopes with the…

A:

Q: What is the mass number of an isotope with an atomic number of 56 and that has 75 neutrons?

A: Mass number is the atomic mass of an atom. It is the sum of no of protons and no of neutrons present…

Q: 32. Americium­241 is used in household smoke detectors. This element has 11 known isotopes, none of…

A: Given  Atom = Americium - 241  Number of proton , neutron , electron = ?

Q: Which isotope has the same number of electrons and neutrons as the anion 19F-?

A:

Q: atomic

A: Isotope is iodine and it's symbols is " I "  1)  53I127  2) 53I125  3) 53I120

Q: Describe the structure of the atom in terms of protons, neutrons, and electrons and express the…

A: The atomic number defined as the number of electrons or number of protons present in a neutral atom.…

Q: How many protons, neutrons and electrons are there in a neutral atom of the isotope of antimony…

A: Number of protons = atomic number   Number of electrons = atomic number(in case of neutral atom)…

Q: Discuss the significance of assigning an atomic mass of exactly 12 amu to the carbon-12 isotope.

A: The significance of assigning an atomic mass of exactly 12 amu to the carbon-12 isotope has to be…

Q: An ion with six protons, seven neutron and a charge of 2 + has an atomic number of?

A: Given :-  Number of protons = 6  Number of netrons = 7  Charge = +2 (which means loss of 2 electrons…

Q: Fill in the blanks: Isotopes are atoms with the same ________ number but different ________ numbers

A: Atoms are small unit of matter combine to form molecule. Atomic number- It is the no. of protons an…

Q: 20. I How many protons, neutrons and electrons are there in a neutral atom of the isotope…

A: • In chemistry element represent the following                                  way:-…

Q: What is the mass number (A) of a calcium isotope that has 19 neutrons?

A: Answer :-  The mass number (A) of a Calcium isotope that has 19 neutrons = 39…

Q: Differentiate between an ion and an isotope

A: In order to differentiate between two species it means the difference between the species needs to…

Q: What can you say about the number of neutrons in the stable isotopes of fluorine, sodium, aluminum,…

A:

Q: If a certain atom is composed of 5 neutrons, 5 electron and 5 protons. The net charge is said to be

A: Atoms are composed with nucleons (protons and neutrons) and electron.   Charge of a…

Q: Argon (Ar) has three naturally occurring isotopes namely: Ar-36, Ar-38, and Ar-40. a) How are these…

A:

Q: How many protons, neutrons, and electrons are in an atom of strontium-90?

A: The atomic number of strontium is 38. The atomic number present in a neutral atom is always equal to…

Q: Explain how the existence of isotopes is related to the fact that atomic masses are not whole…

A: Isotopes: Compounds that are having same atomic number but the different mass number is called…

Q: Potassium has an atomic number of 19 and an atomic mass of 39 (ignore the possibility of isotopes…

A:

Q: Which statement about subatomic particles are false? Protons have about the same mass as neutrons.

A: An atom is made up of subatomic particles which are protons, neutrons and electrons.

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

A: We need to consider the hypothetical case where the charge on the proton is twice than that of an…

Q: Write a complete nuclear symbol for a species that has 46 protons, 61 neutrons and 43 electrons:

A:

Q: Oxygen has three isotopes, 16O, 17O, and 18O. The atomic number of oxygen is 8. How many protons and…

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: Which statement about subatomic particles are false? Protons and neutrons have charges of the same…

A: Proton, neutron and electrons are the subatomic particles present in an atom.

Q: how many isotopes of bromine exist ?

A: Isotopes:The variants of a chemical element, which have same number of protons and differs in number…

Q: Copper consists of two isotopes: 6329Cu and 6529Cu. Part A If the atomic mass for copper on the…

A:

Q: TRUE or FALSE: Isotopes are elements that have a different number of protons.

A: All atoms can be identified by the no. of protons and neutrons they contain. The no. of protons in…

Q: If an atom has 15 protons, how many electrons does it have?

A: To calculate the number of electrons in the atom The mass of a proton is 1.673×10-27kg . Thus, 1837…

Q: .What is the difference between the number of electrons in an atom of selenium, Se, and the number…

A: The number of electrons of an atom is equal to the atomic number of that atom. These are the…

Q: What is the symbol for the isotope of 55 Fe that possesses 31 neutrons?

A: In isotope 55Fe there are 26 protons because the atomic number of Fe is 26, and the number of…

Q: In complete sentences, describe the similarities and differences between:a. different isotopes of an…

A: (a) similarities and differences between isotopes of an element: Various isotopes of an element have…

Q: Which one of the following is the chemical symbol of an atom with 17 protons and 20 neutrons?

A:

Q: Calculate the atomic weight of antimony, which has two isotopes with the following properties:…

A: The atomic mass of an element is result of weighted average of masses of its corresponding…

Q: How many protons, neutrons, and electrons are contained in an atom of argon, which has an atomic…

A: The atomic number is determined by the number of protons. The number of neutrons is obtained by the…

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: Which subatomic particles have a negative charge?

A: A typical atom consists of three subatomic particles: protons, neutrons, and electrons. Protons and…

Q: How many neutrons are there in an atom of iron with a mass number of 52?

A:

Q: 3. In discussing individual atoms öf å spe isotopes have in common, which subatomic particle…

A: 3. Isotopes have same atomic numbers but different mass numbers.  Atomic number  is determined by…

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

A: Atomic number of potassium is 19 and mass number is 39

Q: If an atom has 18 electrons, how many protons does it have?

A: An atom constitutes of electrons, protons and neutrons. The nucleus of atom contains proton and…

Q: Hydrogrn has an atomic number of 1. How many protons and neutrons does an atom of ^3H have?

A:

Q: How many electrons, protons, and neutrons does an element given as 50X24 have?

A: We are given an element: 50X24

Q: What element has a mass number of 9 and has five neutrons in its nucleus?

A:

Q: Do any copper isotopes have a mass of 63.546 amu? Explain

A: Solution Due to the unequal numbers of neutrons, the isotopes of components sometimes have a unique…

Q: What is the mass number of an isotope with an atomic number of 57 and that has 72 neutrons?

A:

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

A: Rutherford's nuclear theory is based on three key points- (a) The nucleus is the core of the atom,…