Given the following atomic symbol: 41 19 X How many electrons are in this isotope of X?

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

A:

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

A:

Q: Mass Name Nuclear Symbol # Protons # Neutrons # Electrons Number selenide magnesium-26

A: The nucleus of  an atom consist of protons and neutrons where as electrons lie out site the nucleus.

Q: The element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

A: The element copper has two naturally occurring isotopes with masses of 62.9400 amu and 64.9300 amu.…

Q: Complete the isotope table below. All isotopes are in their neutral form. Isotope Mass Atomic # # of…

A: Isotope mass number atomic number number of proton number of electron number of neutron sym bolZinc…

Q: This element has only two naturally occurring isotopes, in which the lighter isotope has an…

A: Given  Abundance of lighter isotope( AL )          = 19.9% Then abundance of heavier isotope (AH) =…

Q: Three naturally occurring isotopes of an element are shown in the models below. What do the isotopes…

A: Isotopes are the atoms of same element having same atomic number (Z) but different mass number (A).

Q: A hypothetical (fake) element has 2 naturally occurring isotopes. Isotope #1 has a mass of 185.8410…

A:

Q: How many protons are there in Lithium -7

A: In S-block alkali metal elements consists of first lithium metal having the symbol Li with atomic…

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

A: We have to predict the element symbol.

Q: Determine the number of protons and neutrons in 23/11 Na   Number of Protons  Number of Neutrons…

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Q: What are the two different notations for an element with 6 protons, 6 electrons, and 8 neutrons?

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Q: Fill in the following table: Elemental symbol Atomic Number Mass Number # protons 59 27 # neutrons #…

A: Mass number = Number of protons + Number of neutrons Since an atom is electrically neutral Number of…

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: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

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Q: Write the nuclear symbol for an atom with 32 protons and 38 neutrons.

A: The question is based on the concept of atomic structure. we have to write the symbol for the atom…

Q: An atom of X has an atomic number of 6 and a mass number of 14. Which of the following statements is…

A: A) An atom of X has 6 protons, 6 electrons and 8 neutrons Given that,  An element X having atomic…

Q: Calculate the atomic mass of element "X", if it has 2 naturally occurring isotopes with the…

A: Given that : Isotopic mass of X-39(m1) = 38.70 amu Abundance (A1) = 33.00% Isotopic mass of X-41(m2)…

Q: Complete the following table. Isotopic Atomic Number Mass Number # protons # neutrons # electrons…

A: To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number:…

Q: Find the number of electron and neutrons in the following: 195Pt+2 Electrons Neutrons

A: The number of neutrons = (The mass number - the proton number)

Q: Atomic Mass Number of Number of Number of Element Symbol number number protons electrons neutrons…

A: The number of protons, neutrons and electrons which make up a neutral atom has to be given. A…

Q: Element Atomic Atomic Mass Neutrons Electrons Protons Symbol Symbol Number | Number 79BY 35 32 74 Ge…

A: Atomic symbol for any elements is generally represented as,                        Where, A…

Q: When an element has Z-31 and 39 neutrons, what element and isotope is it? 3170Yb 70 Yb 7031Ga Ga

A: This question belong to Some basic concept of Chemistry that is Mole Concept and Atomic Structure.…

Q: Determine the number of protons and neutrons in 41/20 Ca?   Number of Protons  Number of Neutrons…

A: Atom contains protons, electrons and neutrons.  Protons are positively charged and electrons are…

Q: The atomic number indicates the total number of neutrons and protons in a nucleus the number of…

A: #1) For an neutral atom        Atomic No. = No. Of protons OR No. Of electrons         mass no. =…

Q: Given that the atomic mass of aluminum is 26.98 grams, which of the following isotopes would you…

A: We have to predict the most abundant isotope.

Q: Radon-222 (222Rn) has recently received publicity because its presence in basements may increase the…

A: The chemical symbol Rn represents Radon. It is colorless, odorless and radioactive inert gas. It is…

Group 14 Elements

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