a nucleus might emit radiation is because by doing so, it forms a more stable-lower energy nucleus.

Q: Compared with 31P, the radioactive isotope 32P has(A) a different atomic number.(B) one more…

A:

Q: Growth and Decay 1. Discussion of Theory 2. Three Examples

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Q: Stanley Miller and Harold Urey performed an experiment by recreating in the laboratory the probable…

A: Since you have posted a question with multiple sub-parts, we solve the first sub-part for you. To…

Q: Ionizing radiation does NOT include

A: Any type of electromagnetic radiation that doesn't carry enough energy per quantum to ionise atom or…

Q: In _____________ the excited molecule decays to its ground state by emitting a photon.

A: When an electron is excited it reaches the exited (ES) state and then during decay, the excited…

Q: An atom that has lost an electron

A: Answer: The atom that has lost an electron becomes a positively charged ion (called a cation), while…

Q: An atomic nucleus can be described by the analogy “like a marble in the Dallas Cowboys Stadium.” If…

A: Atoms are made up of particles called protons, neutrons, and electrons which are responsible for…

Q: A 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g o

A:

Q: number of protons to number of neutrons ratio in

A: Every element in the universe has a proton, neutron, and electron. The number of protons is similar…

Q: Burning fuel for for warmth or power -- whether the fuel is wood or fossil fuels ike gasoline,…

A: Combustion:  It is an exothermic redox chemical reaction that occurs between a fuel and an oxidant .…

Q: radiation does NOT include A ) gamma rays . B ) UV rays . C) X -rays. D) cosmic rays

A: D) cosmic rays

Q: Radioactivity is a phenomenon of the spontaneous emission of: A. protons (alpha particles)…

A: Radioactivity is the physical process of spontaneous atomic nucleic transformations. Mother, or…

Q: The atomic number on the periodic table tells us how many are in the atom. * O protons O neutrons O…

A: All biomolecules are made us of the basic chemical elements that why Biology and chemistry go hand…

Q: The nucleus of an atom contains:   a. neutrons and electrons   b. protons and electrons   c.…

A: An atom is the smallest unit of matter which is indivisible.

Q: THE RAYS WITH A WAVELENGTH OF 760-1500 nm ARE 1. visible part of the solar spectrum 2. short-wave…

A: The entire distribution of electromagnetic radiation according to frequency or wavelength is called…

Q: a certain element consists of two stable isotopes. the first has a mass of 138 amu

A: Atoms of an element having same atomic number but different mass number are called isotopes of that…

Q: Hydrogen will react with other atoms to get eight electrons in its outer energy level. True or false

A: hydrogen is an important atom in biology. Many of water's crucial, life-sustaining characteristics…

Q: his homework question I have been having difficulty figuring out what the atomic mass is for Gi + ^2…

A: These two elements are termed isotopes of each other when they have the same number of protons,…

Q: Select the best answer or answers from the choices given: The mass number of an atom is (a) equal to…

A: The mass number of an atom is:

Q: Molecules that absorb electromagnetic energy have structural components called _____________.

A: Electromagnetic radiation or energy refers to the waves of the electromagnetic field propagating…

Q: How X rays, gamma rays, and cosmic rays are more energetic than UV radiation ?

A: Electromagnetic radiation or rays are created due to periodic changes in a magnetic field or…

Q: If we removed a neutron from an atom, what would happen to the atom? Group of answer choices: a) its…

A: Atoms are the smallest unit of any matter in the universe. The electron revolves around the atoms in…

Q: Radiation from the sun that heat earth, and can cause skin cancer when in excess are called

A: Radiation from the Sun, which is more popularly known as sunlight, is a mixture of:…

Q: What frequency of EM radiation is emitted when an electron in a hydrogen atom jumps from n = 3 to n…

A: Frequency = 4.57 * 10^14 S-1.

Q: Location Subatomic Charge Particle Mass (AMU) Proton Neutron Electron

A: The Gold Foil Experiment by Rutherford involves the firing of alpha particles through the gold leaf.…

Q: Why is biochemistry called the chemistry of life?

A: The question is all about the subject biochemistry that it is called as chemistry of life as our…

Q: Label the different types of phases shown in the picture

A: Mitosis Mitosis is the division phase of a cell cycle. In this phase of the cell cycle, the cell…

Q: Carbon has several isotopes including 12C and 14C. These isotopes differ in the number of: O a.…

A: When two or more atoms of same element have the same atomic number (number of protons or number of…

Q: by some type of radiation? Explain step by step with diagrams, physics, chemistry and biology

A: Free radicals are molecules with unpaired electrons. If they are formed and are not removed inside…

Q: stance which cannot be broken down by chemical means into simpler substa OA. Matter OB. A Mineral…

A: The periodic table is a display of all the discovered chemical elements in the form of a table for…

Q: Click on ALL of the characteristics that describe an ELECTRON. Positive (+) charge The number of…

A: Answer :-  - The number of this subatomic particle is known as the atomic mass. - Negative (-)…

Q: when solar radiation crosses space and moves towards earth.it consists of many types of radiation…

A: Answer - The Electromagnetic radiation (EMR) consists of waves . The waves contains electric  and…

Q: After completing each reaction, did you have any atoms left over? Why or why not

A: A chemical reaction occurs when one or more substances, known as reactants, are converted into one…

Q: Ionizing radiation like removes from atoms.a. UV, protons b. X-rays, the charge c. gamma rays,…

A: Ionizing radiation is a type of energy released by atoms that travels in the form of electromagnetic…

Q: Select the correct answer. Electrons, protons, and neutrons are three subatomic particles of an…

A: Step 1 The organization is a systematic arrangement of smaller and simpler components into larger…

Q: The energy available to do work in a cell is called: a. thermal energy b. potential energy c.…

A: Introduction :  thermal energy - every objects has thermal energy.  It's the movement of molecules…

Q: Which of the following is NOT a subatomic particle? molecule neutron O proton electron

A: Subatomic particle - Any particle that is smaller than atom is called subatomic particle. Subatomic…

Q: 33 of 48 A radioisotope is all the following except an isotope with different number of neutrons…

A: Radioisotopes can be defined as atoms that contain an unstable combination of neutrons and protons…

Q: As the high-speed electrons knock out electrons and lose their energy when they hit the (+) target,…

A: Introduction Electromagnetic waves are a form of radiation that includes X-rays. X-ray imaging is a…

Q: magnetic materials

A: the answer in ferromagnetic materials. Most materials are classified either ferromagnetic materials,…

Q: a 139 ng sample of radioactive material has a half life of 4.2 days how many ng of radioactive…

A: GIVEN: The initial mass of radioactive material = 139 ng Half-life =4.2 days Number of half lives= 3…

Q: Which type of model is described below? A scientist thinks of the inside of a tree as being like a…

A: Plants use xylem to transport water from the soil to the leaf of the plants. Plants absorb the water…

Q: List three of the five ways in which a nuclear reaction differs from a chemical reaction.

A: Nuclear reaction : It is semantically considered to be the process in which two nuclei, or a nucleus…

Q: Atoms are incredibly tiny, so small that most microscopes can't even see them, but atoms themselves…

A: Atom: Atom is the smallest unit of matter. It is the basic building block of matter. Atom possesses…

Q: A sunburn is a familiar example of the effect of ionizing radiation, like ultraviolet light, where…

A: The "flow of energy" in the ecosystem is one of the most important aspects of the survival of such a…

Q: If an electron spends more time with one atom in a molecule and less time with another, the atom…

A: Electrons are charged particles and thus they interact strongly with the nuclei and the electrons of…

Q: If a model of a hydrogen atom had a diameter of 45 cm, what would have to be the diameter of the…

A: Introduction - Hydrogen atom or its model is made up of a centrally placed nucleus or in this case…

Q: Alchemists were medieval scholars and philosophers who were the forerunners of modern-day chemists.…

A: The atomic number of lead is 82 while the atomic number of gold is 79. Alchemists tried to somehow…

Q: The protons and neutrons are contained within the of the atom. Electron Cloud Atomic Center Middle…

A: All matter is made up of tiny indivisible and indestructible раrtiсles called аtоms, according to…

Q: 3. High energy radiation ejects the electrons in an atom causing free radicals. Which are examples…

A: High energy radiations are part of the spectrum with high frequency, low wavelength and high energy.…