7. which isotope of phosphorus kept under water red Black white violet

Q: List some Isotopes of Carbon?

A: Isotopes are the compounds which have same atomic number(Z) or we can say that they have same number…

Q: Indium has two isotopes. One of the isotopes has an atomic weight of 114.9 amu and an abundance of…

A:

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: 4. Why is the neutron to proton ratio so important? OIt determines the stability of the nucleus…

A:

Q: An imaginary element Saturnium, St,  consists of two isotopes having masses of 101.0 amu and 104.0…

A: Recall the relation to calculate atomic mass of Saturnium as follows Atomic mass of Saturnium=% of…

Q: an element is a mixture of two isotopes. one isotope of the element has an atomic mass of 34.96885…

A: In this question, we want to determine the Average atomic mass and after that we will Identify the…

Q: 49.31%. What is the relative atomic mass of Br? 2.9. An isotope of lead has an isotopic mass of 208.…

A:

Q: Q5. Which element is a halogen?(a) Ne (b) O (c) Ca (d) I

A: Halogen belongs to 17 groups of the periodic table. Halogens are gaseous in nature. Halogens are…

Q: The average atomic mass of lithium is 6.941 amu. Lithium has two naturally occurring isotopes, 6Li…

A: Given:The average atomic mass of lithium = 6.941 amu% of Li isotopes = 6Li (7.52%) and 7Li…

Q: One isotope has a mass of 62.9296 amu (69.17% abundance). The other isotope has a mass of 64.9278…

A:

Q: Which of the following is an isotope of Manganese - 55? A) 55Mn B) 55Fe C) 95Mo+2 D) 54Mn

A: The species of an element which differs in the mass number is said to be isotope.  Atomic number of…

Q: Determine the number of protons and neutrons in 18/8 O   Number of Protons  Number of Neutrons…

A:

Q: Which statements are consistent with Rutherford’s nuclear theory as it was originally stated? Why?a.…

A: Rutherford's atomic model also named as "nuclear model". As per Rutherford's nuclear theory, any…

Q: What is the charge on the electron, the proton, and the neutron, respectively? a.-1, +1, +1 b. -1,…

A: Write charge and mass of electron, proton and neutron ---

Q: Provide the correct atomic symbol meeting the following conditions. 1. number of proton = 12 2.…

A: Provide the correct Atomic symbol ---

Q: Which element is a halogen? (a) Ne (b) O (c) Ca (d) I

A: The substances that have a tendency to occupy space are considered as matters. The matters can be…

Q: Element A has two isotopes. The first isotope is present 18.07% of the time and has a mass of…

A: Isotopes have same atomic number but different mass number .they have similar chemical properties…

Q: https://www.bartleby.com/questions-an Chemistry 2 曲 I x² Find the isotopes of 17 17 3- B

A: Isotope is one which have same number of same proton but mass should be different . Proton is equal…

Q: Atoms that vary in the number of neutrons found in their nuclei are called ________. a. ions b.…

A: Atoms are fundamental and smallest unit of chemical element. It contains protons, neutrons, and…

Q: Write the isotopic symbol for Lead-206.

A: • We need to write the isotopic symbol for Lead-206

Q: A hypothetical element X is found to have an atomic weight of 37.45 amu. Element X has only two…

A: A hypothetical element X is found to have an atomic weight of 37.45 amu. Element X has only two…

Q: 7. In cach pair of isotopes shown, indicate which one you would expect to be radioactive and why. a)…

A: Isotope is defined as same number of proton and electron but different number of neutron. For…

Q: Boron occurs naturally as 10B and 11B. Which isotope is most abundant? (Refer to the Periodic…

A: The isotopes can be described as the types of the species which have equivalent atomic number…

Q: What is the connection between electrons and protons

A: In a neutral atom, the number of electrons is equal to the number of protons. Both of them are found…

Q: A general formula of nucleus is given as AZX2+; here A is mass number, and Z is atomic number.…

A: The protons and neutrons in the nucleus of an atom are called as nucleons. Protons are positively…

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: 8. Use isotope notation to show a. chromium-54 b. strontium-84

A: Isotopes can be defined as the variants of chemical elements that possess the same number of protons…

Q: Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons Mass number

A: Given :-  25Mg2+  To calculate :-  number of protons  number of neutrons  number of electrons  mass…

Q: How many neutrons does the Fe-56 isotope contain? (a) 26 (b) 30 (c) 56 (d) 112

A: An atom contains three sub-atomic particles named as protons, electrons  and neutrons. Protons are…

Q: Oxygen, whose atomic number is eight, has three stable isotopes: 16O, 17O, and 18O. Explain what…

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Q: Select the two isotopes of nitrogen-15. carbon-13 O phosphorus-15 N-16 F2 - 15 O-15

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Q: Determine the number of protons and neutrons in 55/26  Fe   Number of Protons  Number of Neutrons…

A:

Q: Isotope name atomic # mass # # of protons # of neutrons # of electrons thorium-232 thorium-229…

A: Atomic no. = No. Of protons = No. Of electrons No. Of neutrons = mass no. - no. Of protons

Q: A certain element consists of two stable isotopes. The first has a mass of 138 amu and a percent…

A: Given  Atomic mass of first isotope ( M1 )       = 138 amu  percentage natural abundance ( P1)     =…

Q: Determine the number of protons and the number of neutronsin each isotope.a. 14/7N b. 23/11Na c.…

A: Concept Introduction: An element consists of same type of atoms. An atom is composed of certain…

Q: What is X? 1 poim 235 U + 1n n > 137 Te + X + 2 'n O 96-Rb 92-Kr 90-Sr O 97-Zr

A: Given 1) We know about the IUPAC naming of alkene and alkyne and selection of parent chain 2) we…

Q: The most common iso 8 neutrons.

A: The mass of an atom is majorly decided by the number of protons and neutrons present in the nucleus…

Q: 14. isotopes, is 63.5 amu. One of the isotopes has an atomic weight of 62.9 amu and constitutes…

A: Atomic mass is based on a relative scale and the mass of 12C (carbon twelve) is defined as 12 amu.…

Q: The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an…

A:

Q: Positively charged particles of radiation emitted from the decay of radioactive substances are known…

A: Nuclear or radiation decay are primarily of three types: alpha, beta and gamma decay. Alpha…

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: Element X has two isotopes. The first isotope has a natural abundance of 80% and has a mass of 60…

A: Given : Abundance of first isotope = 80% Mass of first isotope = 60 amu Abundance of second isotope…

Q: 8.How many protons, neutrons and electrons are present in" Sn 119 2+

A: In an element, atomic number of element is equal to number of protons.  While in neutral element…

Q: What is the mass number of an atom which is made up of 38 protons, 52 neutrons and 38 electrons.

A: Mass number = Number of protons + Number of neutrons

Q: Give the number of protons and neutrons in the nucleus of boron-11

A: The number of protons and neutrons in the nucleus of boron-11 is to be determined.

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: Which contains 7 neutrons? B 13 28 Si

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.