Each element has a unique number of protons in its atoms * O True O False

Q: Carbon-12 and Carbon-14 are both isotopes of the element Carbon. Do they have the same Atomic…

A: Solution is given in the next step . Option c is the correct answer

Q: Cx 312 -1

A:

Q: What are the total number of protons and the total number of electrons in NO3- ?

A: It is required to calculate the total number of protons and total number of electrons in NO3-, which…

Q: Symbol 33s2- Neutrons 36 30 8 Protons 30 25 Electrons 27 10 Net Charge 7+ 3-

A: Recall the expression of an negatively charged ion as                    aXzn-Here,number of…

Q: The chemical symbol of an ion is 43 2+ X (Z 21). The numbers of neutrons and electrons for this ion…

A: Given  Symbol of Ion = X2+43 Atomic Number of ion = 21  Number of neutron = ?  Number of electron =…

Q: 2. Bromine has two naturally occurring isotopes (Br-79 and Br-81) If the natural abundance of Br-79…

A:

Q: An atom has 6 electrons, 6 protons, and 6 neutrons. You can tell that this atom belongs to the…

A: The question involves determining the element to which an atom belongs based on its atomic and…

Q: An atom of chlorine (CI) has a mass number of 37. Given only this information, which of the…

A: An atom of chlorine Cl has a mass number of 37 .We have to select the absolutely true statement .

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom. Symbol…

A: Table:

Q: What is an atom? O It is composed of protons and electrons but not neutrons O It is the smallest…

A:

Q: The element lithium has two stable isotopes, lithium-7 with an atomic mass of 7.0160 u and lithium-6…

A:

Q: A manufacturer begins with 15.00 kg15.00 kg of cinnabar and produces 12.93 kg12.93 kg of elemental…

A: Since you have posted multiple questions, we are entitled to answer the first clear question only.…

Q: For an unknown isotope ion, fill in the missing information below. Isotope symbol: U (For the…

A: Given that, Atomic no. = 90 Isotope symbol= U So,

Q: Complete the table: Symbol # Protons # Neutrons # Electrons Net Charge 905r Mn2+ 30 2+

A: The number of protons in the nucleus of the atom is equal to the atomic number. The number of…

Q: Calculate the average atomic mass of copper. The percentages denote the relative abundances. Isotope…

A: Calculation of average atomic mass of cu:

Q: 1. What is an isotope? 2. What does the number next to isotopes signify? 3. How can you tell…

A: All the physical and chemical properties of a an element depends on its atomic number , the total…

Q: Fill in the table for the following atoms or ions. Please pay careful attention to the difference…

A: Complete the following table ---

Q: What do these have in common?

A: given- 69Kr       70Br-1         76Sr+2to find-what is common among them.

Q: Set I Set II Set III Не Na Kr N As Na O Ar Au Si H P Rb Pd Не Pd

A: • Since, the elements having same outer electronic configuration in their atoms are arranged in…

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.

A: Atomic Number of an element (Z) =total number of proton present in the nucleus…

Q: Sort the characteristic properties of the following isotopes of nitrogen into their respective bins.

A:

Q: 7. If an element, “X" has two isotopes with the following masses and abundances: 46X = 45.974 amu ,…

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Q: Consider this ionic isotope. The identity of the element is missing. 39 ? 2+ 20 Which three…

A: The symbol of an element is written as :  AzX  Here , A is mass number.  Z is Atomic number X is…

Q: The identity of an atom depends on the umber of which subatomic particie? O proton neutron O…

A: The number of protons in one atom of an element determines the atom's identity, and the number of…

Q: Which of the following is true about the atom represented by the symbol: 127 53I? This atom has 53…

A: The way iodine atom has been represented is used for representing isotopes of an atom. It includes…

Q: Identify the element X. Express your answer as a chemical symbol. ΑΣφ DA chemical reaction does not…

A: Element representation is 7433X

Q: Which two elements on the periodic table are in the same period? OH, Na O B, Ga OK, Sc He, Ne

A: Which two elements on the periodic table are in the same period = ?

Q: Which atomic particles are equal in mass? O neutrons, protons, and electrons protons and electrons O…

A: Atomic particle is a smallest particle. It consists of electrons, protons, and neutrons. Electrons…

Q: In the world of electronics and semi-conductors it is vitally important to use the correct weights…

A: IsotopeExact atomic mass (amu)relative abundance…

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.

A: Given,

Q: Identify the element 127X. 53 Express your answer as a chemical symbol. ΑΣφ DA chemical reaction…

A: Please find the below attachment.

Q: What does "X" represent in the following symbol? 80. X 35 selenium chlorine mercury scandium bromine

A: -> In symbol of any element atomic number is shown below side and atomic mass is shown on above…

Q: The following information about the isotope of Carbon reveals: 14 6 с It has 6 protons, 14 neutrons,…

A: 14C6 this representation reveals what. This has been explained ahead.

Q: An ion has 8 protons, neutrons, and 10 electrons. The symbol for the ion is 1702- 1702+ 19f+ 19F-…

A:

Q: Give the complete chemical symbol for the atom that contains82 protons, 82 electrons, and 126…

A: Given information,      Atom contains 82 protons, 82 electrons, and 126 neutrons