Step-by-Step Solution:1. Definition of Isotopes: Isotopes are defined as atoms of the same element that have the same atomic number but different mass numbers. The atomic number represents the number of protons
Each element has a unique atomic number, which represents the number of protons inside the nucleus of one atom of that element. Protons are the positively charged particles inside an atom.Answer and Explanation: The element with atomic number 1 is hydrogen, symbol H. This means that one atom ...
Each element has an atomic number associated with it. The atomic number of an element represents the number of protons in the nucleus and the number of electrons in the neutral atom. The ground-state electron configuration of an atom or an ...
Protons have slightly less mass than the neutrons in the nucleus, but they are 1,836 times more massive than electrons. The actual mass of the proton is 1.6726 x 10^-27 kilograms, which is a very small mass indeed. The symbol "^-" represents a negative exponent. This number is a deci...
Both the protons and neutrons reside in the nucleus. Protons have a postive (+) charge, neutrons have no charge --they are neutral. Electrons reside in orbitals around the nucleus. They have a negative charge (-). It is the number of protons that determines the atomic number, e.g., H...
Every atom must have at least one proton in it. The number of protons in an atom is important, because it defines what chemical element the atom represents. For example, an atom with just one proton is hydrogen, an atom with 29 protons is copper, and an atom with 94 protons is plutoni...
An atom represents the most basic unit of an element that retains all of its chemical properties. On the other hand, a molecule is formed when two or more atoms, either of the same or different elements, bond together. 12 At its core, an atom consists of a nucleus with protons and neu...
2.Definition of Isotopes: - Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses. 3.Weighted Average Concept: - The term "average" in atomic mass signifies that it is not just the simple average ...
The periodic table currently contains118 different elements. Each square represents one element. Elements with similar properties are grouped together. How are elements numbered in the Periodic Table? Elements are numbered from left to right in order of how many protons their atoms contain. Hydrogen ...
Chemistry & Physics A substance composed of atoms having an identical number of protons in each nucleus. Elements cannot be reduced to simpler substances by normal chemical means. See Periodic Table. Aspect Appearance to the eye, especially from a specific vantage point "many small unsightly hilloc...