WebMar 25, 2024 · So the full answer to the question of whether pure energy exists is: For all of the particles that exist, massive and massless, energy is only one property of them, and cannot exist independently. Atoms are the basic units of matter and the defining structure of elements. The term \"atom\" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided. We now know that atoms are made up of three particles: protons, … See more Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came … See more Protons and neutrons are heavier than electrons and reside in the nucleus at the center of the atom. Electrons are extremely lightweight and exist in a cloud orbiting the nucleus. The electron cloud has a radius 10,000 … See more The number of protons in an atom defines what element it is. For example, carbon atoms have six protons, hydrogen atoms have one and … See more The nucleus was discovered in 1911 by Ernest Rutherford, a physicist from New Zealand, who in 1920 proposed the name proton for the positively charged particles of the atom. Rutherford also theorized that there was also a … See more
Is a single carbon atom stable? - Chemistry Stack Exchange
WebOct 20, 2024 · Protons have an extreme charge density, typically 10 15 higher than any other ion ( but bare electrons or atomic nuclei). Protons can exist free in vacuum or plasma, but even in gases they quickly react with many gaseous molecules, forming molecular ions, like dioxidanylium O X 2 + p H O X 2 X +. WebCan an atom exist alone? Atoms can not exist independently. This is because atoms accept electrons or donate electrons to form stable octet fulfilled electronic configurations and this is only possible by formation of molecules. Why atoms can exist independently? high school band background
Can an atom exist alone? - Reimagining Education
WebJan 3, 2024 · Answer: Molecules can exist independently. However, the atoms of noble gases (He, Ne, Ar, Kr, Xe) can also exist independently. The basic unit of matter which cannot be broken down into independent particles. ... Atom refers to the smallest constituent unit of a chemical element. WebSolution Verified by Toppr Concept: Atoms that have a stable electron configuration, i.e. octet, exist independently. ∙ Two atoms that exist as independent atoms are argon (Ar) and h elium (He). ∙ These are noble gases and have a stable electron configuration. So, they can exist independently. WebJul 18, 2024 · Which of the following statements is not true about an atom? (a) Atoms are not able to exist independently. (b) Atoms are the basic units from which molecules and ions are. formed. (c) Atoms are always neutral in nature. (d) Atoms aggregate in large numbers to form the matter that we can see, feel or touch. how many carbs per day for fatty liver