All of the following statements are true EXCEPT: isotopes of an element have the same atomic number. for any neutral element, the number of protons and electrons are equal. all atoms of a given element have the same mass number. the atomic number equals the number of protons. the mass number is the sum of the number of protons and neutrons.

Q: The anion 33S contains

A: The anion 33S contains-  Anion - it is a negatively charged species which has more electron than…

Q: which of the following statements is not part of Dalton's original atomic theory?  all atoms of one…

A: According to Dalton's atomic theory, Atoms are indivisible. i.e. there is no subatomic particles…

Q: The atomic number of an atom is equal to the number of:    neutrons plus protons   protons…

A: Atomic number : It is the number of protons present in the nucleus of an atom .  For example -  An…

Q: A sample of element X has two naturally occurring isotopes. The isotope X-45 makes up 35.8% of the…

A: Isotopes are species having same atomic number but different mass number.  Given: The percentage of…

Q: Fill in the missing information: Symbol Atomic # Mass Number # Protons # Electrons # Neutrons Charge…

A: Since, For the given notation of the element, Number of proton = Atomic number Number of neutron =…

Q: Fill in the blanks. Isotope 30Si4+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope  = Si4+30 Number of proton   = ?  Number of neutron = ?  Number of electron…

Q: O protor neutro O electr O none

A: protons   The chemical properties of an element are determined by the subatomic particle…

Q: Bromine has two naturally-occurring isotopes. 79Br has a mass of 78.9 amu and accounts for 50.3% of…

A: Given : Atomic mass of Br = 79.9 amu  Mass of isotope 79Br = 78.9 amu Abundance of 79Br = 50.3 % And…

Q: What elements are in the mystery star #15? Helium Hydrogen Sodium Lithium O lithium and helium O…

A: The spectra of elements given are,

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: An isotope of carbon is used in carbon dating. It has an atomic mass of 14 rather than the more…

A: We have to predict correct option for carbon isotope.

Q: An element 'A' contains 5 protons, 5 electrons and 6 neutrons. it is a cation of Boron It becomes a…

A: Neutral Boron atom occupies 5th atomic number in the modern periodic table. Which states that it has…

Q: Numbe Electro Atomic Number of Number of Total Electric Isotope Name (wimass number) Number Neutrons…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: One atom has 15 protons and 16 neutrons in its nucleus, with 15 electrons traveling around it.…

A: Isotopes are the elements which have same atomic numbers but they have different mass number  Ex.…

Q: Give a second property of neutrons that is similar to the properties of protons.

A: Firstly, both protons and neutrons have same mass, i.e. 1 amu.   1 atomic mass unit (amu) equals…

Q: A particular element exists in two stable isotopic forms. One isotope has a mass of 34.969 u (75.77%…

A: Given,Mass of one isotope (m1) = 34.969u.Abundance = 75.77% = 0.7577.Mass of second isotope (m2) =…

Q: Which of the following is correct if an atom is neutral (has no net charge), has an atomic number of…

A:

Q: The atomic mass of magnesium is 24.304 amu. Magnesium has 3 stable isotopes: Mg-24 --> unknown…

A: Some elements may have existing isotopes which have different mass numbers. The different mass…

Q: Which isotope is not possible? OH ○ Be 241 Am 95 OH More than one of the isotopes is not possible

A: Isotopes of element are atoms which has same number of proton but different numbers of neutrons .…

Q: Write the complete symbol, including mass number and atomic number, for each atom. contains 28…

A: Atomic number: The atomic number (represented by the letter Z) of an element is the number of…

Q: Gallium has two naturally occurring isotopes. One of them, gallium-69, has a mass of 68.925581 u and…

A: Gallium has two naturally occurring isotopes. Mass of Gallium-69  = 68.925581 u Percent Isotopic…

Q: Indicate the isotope having 12 protons, 11 neutrons and 12 electrons.

A: We have to predict the element symbol.

Q: More than one may apply An atom that differs in charge from another atom of the same element: has…

A: We know that, Atom when gain or loss electron then form ions. Thus,

Q: Fill in the table. Element Number of Protons Number of Neutrons Number of Electrons Mass Number…

A: Fill in the blanks--

Q: Select the two isotopes of nitrogen-15. N -16 N714 F2− phosphorus-15 O -15 O+ O815 carbon-13 N815

A: We have to select the two isotopes of nitrogen-15. The given options are N-16, N714, F2-, P-15,…

Q: Name of element Number of Number of electrons Number of SYMBOL A Charge protons Neutrons zinc 30 34…

A: The atomic number is represented as 'Z' and the mass number as 'A' . The equations which are used to…

Q: Tin has many possible isotopes. Three of these isotopes are 115Sn, 118Sn, and 126Sn. What is the…

A:

Q: Name of Element Symbol Z A Protons Neutrons Electrons N 15 Calcium 42 38 50 14 16

A: An element is represented by ZAX, where Z is atomic number which is also equal to number of proton,…

Q: Write the atomic symbol for each of the following:  an atom with 47 protons and mass number of 107…

A:

Q: A neutral isotope has a mass number of 6565 and 3636 neutrons. Identify the element symbol of this…

A: * Atomic number = Number of protons * Mass number =  Number of protons + number of neutrons  * For…

Q: Consider the isotope nickel-60 which has the following nuclear symbol, nickel-60.  Which statement…

A: The nuclear symbol is 28Ni60.

Q: There are 3 stable isotopes of Argon: Argon-36, Argon-38, and Argon-40. What would atoms of these…

A: Isotopes are the atoms of same element with same atomic number but different mass numbers.  As…

Q: Try to complete the missing information for these three isotopes using only the data provided.…

A: *Element symbol: it is symbol in form of letters generally shown by initials of the name of element…

Q: Chlorine has two naturally occurring isotopes, 35Cl and 37Cl. What is the mass number of each? How…

A:

Q: Cobalt-60 is a radioactive isotope sometimes used in the treatment of cancer. How many neutrons,…

A: COBALT - 60 Atomic number of cobalt = 27 Mass number of cobalt - 60 = 60 We know that, Atomic number…

Q: A certain element consists of two stable isotopes. The first has a mass of 113 amu and a percent…

A: To find out the mass of the element, multiply both mass of isotopes and their natural abundance. You…

Q: What would be the isotope symbol for an atom with 35 protons, 35 electrons and 46 neutrons? 46 Br 35…

A: Isotopes are the atoms of same element which differ in number of neutrons but have same number of…