What is astrochemistry? a) The study of chemical reactions on Earth b) The study of chemical reactions in space c) The study of chemistry in biology d) The study of chemical engineering in space exploration

Q: り Rペ= R. = R. +2) 3) R. + (2)

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: 1. Write the X notation for the particle formed from the position emission by the 207 Po nucleus. 84

A: Positron emission is the type of emission in which positive charge is emitted and atom is…

Q: what are electromagnetic radiations? write its characteristics.

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Q: Using a deuteron beam, a sample of isotopically enriched fluorine is generated, consisting of 18F…

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Q: Calculate the effective radiation dosage in sieverts for a 59-kg person who is exposed to 3.4 x 10…

A: We need to find the effective radiation dosage in sieverts for 59 kg person.  It is given, He…

Q: Describe the formation of heavier elements during stars' formation and evolutions; Give at least 10…

A: Introduction :  An element is a group of atoms which have same number of protons, in pure form they…

Q: Explain how carbon-12, carbon-14 , and nitrogen-14 would be different at an atomic level.

A: Atoms are differed by no. Of protons and neutrons.  Atomic no. Is the no. Of protons And mass no. Is…

Q: A-C Complete the blanks. Stellar Formation and Evolution.

A: Balance the atomic no. and mass no. on both left and right side. energy has no atomic no. and mass…

Q: Question 16 What is a radioactive decay?     a. Releasing of electromagnetic waves from chemical…

A: Radioactive decay is a process in which an unstable atomic nucleus undergoes radioactive decay to…

Q: Where do free radicals come from? What harm do they do?How is the body protected from free radicals?

A: Free radicals are produced in three main ways: - 1. Metabolic reactions: - The normal chemical…

Q: Which is the most stable free radical? A B C D E

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Q: Explain the similarities and differences as compared to element 118 Og if a new element was…

A: A question based on periodic trends that is to be accomplished.

Q: This is the heaviest naturally occurring element  A) 87Fr B) 94Pu C) 92U D) 103Lr E) 102No

A: This is the heaviest naturally occurring element-

Q: Define the term protium?

A: Isotopes are nuclides that have the same atomic number but different mass numbers. Since isotopes…

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A: Dear student I have given answer to your question in the image format.

Q: A radio active element (x) has a half-life of 38 hours. Initially, x= xo. Determine the amount of…

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Q: How are Deuterium and tritium are useful/

A: Deuterium and tritium both are isotopes of element hydrogen. Furthermore, deuterium has atomic mass…

Q: Be sure to have your electromagnetic spectrum readily available (Chapter 11 in text) 1. A…

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Q: Name the types of radiation known to be emitted byradioactive elements.

A: Radiation is energy that is provided by a  source and travels through space. Radiation energy has…

Q: 18. Which is larger: an atom of Rb or an atom of I? Explain your choice. (See note above.)

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Q: 1. In thinking of Harmful and Beneficial Effects of Radiation. It is CORRECT to affirm that: D)…

A: In thinking of Harmful and Beneficial Effects of Radiation.It is wrong to affirm that radioactive…

Q: is the content for meteorology in  a scientific sense valid or credible, safe

A: Solution - Science of measurement is known as metrology and the main point is to achieve accuracy .…

Q: The most intense line in a hydrogen glow-discharge plasma is the alpha-H line at 656 nm. What is…

A: Wavelength of the most intense line in a hydrogen glow-discharge plasma is 656 nm .We have to…

Q: Describe the general structure of the nuclear model of the atom

A: Rutherford's atomic model is known as the general structure of the nuclear model of atom. This model…

Q: What is the most recent addition to the periodic table?

A: In recent years, four elements are discovered, and all the discovered elements are radioactive in…

Q: What is the composition of Radon?

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Q: Please answer this question correctly. 1. Write the configuration of sulfur after it has achieved…

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Q: 5. Neon-20 and neon-22 are called

A: Since, Isotopes are those whose atomic number os same but mass number is different. Thus,

Q: Give some evidence and describe the formation of the heavier elements during star formation and…

A: Heavy elements were formed only billions of years after the formation of the star.

Q: In thinking of Harmful and Beneficial Effects of Radiation. It is CORRECT to affirm that: •…

A: In thinking of Harmful and Beneficial Effects of Radiation, correct statement is:

Q: how to do: Calculate the amount of heat absorbed by 23.0 g of water when its temperature is raised…

A: Specific heat capacity is amount of heat required to raise the temperature of one gram of substance…

Q: Calculate the velocity of a neutron travelling with a kinetic energy of 1.30×10−18 joules

A: we have to calculate the velocity of neutron  Given,  Kinetic energy = 1.30×10−18 joules

Q: Fill in the blanks with the correct information. Use [a] as a guide. a. Pu-244 is unstable because…

A: since,z>83,all nuclei are unstable. Where z is atomic number.

Q: What is astrochemistry? a) The study of chemical reactions on Earth b) The study of chemical…

A: Astrochemistry is a branch of chemistry that deals with the chemical composition and processes in…

Q: Which of these is a characteristic of alpha radiation? Alpha radiation is not able to penetrate the…

A: Alpha radiations are positively charged particles. These have two protons and two neutrons. The…

Q: 3. Which of the following sets of quantum numbers, do the following: i. If correct, draw an orbital…

A: There are four quantum number Principle quantum number Angular momentum quantum number Magnetic…

Q: The control of nuclear fission reactions is managed by introducing materials that absorb   Question…

A: Nuclear chemistry is defined as branch of chemistry in which nuclear reactions, radioactivity and…

Q: Why it is important to study nuclear chemistry in reference to engineering, especifically,…

A: Nuclear chemistry involves the study of the atomic nucleus. Now, a hundred years ago this was…