Modes of Radioactive DecayBalancing a nuclear equationIn a nuclear reactions we must account for protons, neutrons, and electrons, as well as write out the symbols for various chemical elements when balancing the equation. In a nuclear equation, the products and reactants are symbolized asJXwhere X is the chemical symbol for the element, A is the mass number, and Z is the atomic number. There are two main rules to remember when balancing nuclear equations:1. The total of the superscripts (mass numbers, A) in the reactants and products must be the same.2. The total of the subscripts (atomic numbers, Z) in the reactants and products must be the same.Part B - Balance the decay equationsDetermine the particle that balances the equation.Drag the appropriate items to their respective bins.▸ View Available Hint(s)BSubmit21Bi Tl + XKAr+Xn+B+X 2Po218 At + XBnPReset Help14 of 43 Modes of Radioactive DecayWhen a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed.When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a Bray, the phenomenon is known as B decay, and when an unstable element emits a y ray, the phenomenon is known as y decayThe element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element.Part A - Identify the product of radioactive decay1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2.2. When an atom emits a Bray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a Bray is composed of only high-speed electrons, and electrons have negligible mass and carry anegative charge.3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor chargeIdentify the product of radioactive decay and classify the given nuclear reactions accordingly.Drag the appropriate items to their respective bins.▸ View Available Hint(s)a decay218U 20TH+? 2Ra Ac+? Np Rn+? 1NO+? Ni Ni+?decay14 of 43 y decayReview | Constants | Periodic TableReset Help

Question

Modes of Radioactive DecayBalancing a nuclear equationIn a nuclear reactions we must account for protons, neutrons, and electrons, as well as write out the symbols for various chemical elements when balancing the equation. In a nuclear equation, the products and reactants are symbolized asJXwhere X is the chemical symbol for the element, A is the mass number, and Z is the atomic number. There are two main rules to remember when balancing nuclear equations:1. The total of the superscripts (mass numbers, A) in the reactants and products must be the same.2. The total of the subscripts (atomic numbers, Z) in the reactants and products must be the same.Part B - Balance the decay equationsDetermine the particle that balances the equation.Drag the appropriate items to their respective bins.▸ View Available Hint(s)BSubmit21Bi Tl + XKAr+Xn+B+X 2Po218 At + XBnPReset Help14 of 43 Modes of Radioactive DecayWhen a nucleus undergoes radioactive decay a daughter nucleus is formed. The daughter nucleus is lighter and more stable than the nucleus that decayed.When an unstable element emits an a ray, the phenomenon is known as a decay. Similarly, when an unstable element emits a Bray, the phenomenon is known as B decay, and when an unstable element emits a y ray, the phenomenon is known as y decayThe element that emits radiation is known as the parent element, and the resulting element is known as the daughter element. You can consider the following rules when identifying the type of radioactive decay present in an element.Part A - Identify the product of radioactive decay1. During a decay, the mass number of the parent element decreases by 4, and the atomic number decreases by 2.2. When an atom emits a Bray, the mass number does not change, and the atomic number of the parent element increases by 1. This occurs because a Bray is composed of only high-speed electrons, and electrons have negligible mass and carry anegative charge.3. During y decay, neither the atomic number nor the mass number changes, because a y ray is an electromagnetic radiation that has neither mass nor chargeIdentify the product of radioactive decay and classify the given nuclear reactions accordingly.Drag the appropriate items to their respective bins.▸ View Available Hint(s)a decay218U 20TH+? 2Ra Ac+? Np Rn+? 1NO+? Ni Ni+?decay14 of 43 >y decayReview | Constants | Periodic TableReset Help

Accepted Answer

For the first question, we have to balance the given nuclear reaction.
For the second question, we…