Symbil Elemet 2 n (Ra (Ni Indum 13988 حوا 49 115 31 28 Mn (2.5 210 A
Answer (1)
Answer:It seems like you're listing elements and their symbols from the periodic table. Here's a formatted and corrected version:1. Hydrogen - H2. Radium - Ra3. Nickel - Ni4. Indium - In5. Manganese - MnAtomic numbers and atomic masses:1. Hydrogen - H (Atomic number: 1, Atomic mass: 1.00794)2. Radium - Ra (Atomic number: 88, Atomic mass: 226.0254)3. Nickel - Ni (Atomic number: 28, Atomic mass: 58.6934)4. Indium - In (Atomic number: 49, Atomic mass: 114.818)5. Manganese - Mn (Atomic number: 25, Atomic mass: 54.938)
