Basic Chemistry With Verified Solutions

Basic Chemistry With Verified Solutions 1. Matter: - What do you call anything that takes up space and has mass? - Answer: Matter 2. Element: - What is a pure substance that cannot be decomposed into other substances by chemical means? - Answer: Element 3. Compound: - What do you call a substance that consists of two or more elements chemically combined in a fixed ratio? - Answer: Compound 4. Atom: - What is the smallest unit of an element that still retains its chemical properties? - Answer: Atom 5. Proton: - Which subatomic particle has a positive charge and is located in the nucleus? - Answer: Proton 6. Electron: - Which negatively charged subatomic particle is found surrounding the nucleus? - Answer: Electron 7. Neutron: - What is the subatomic particle with no charge that resides in the nucleus? - Answer: Neutron 8. Nucleus: - What is composed of protons and neutrons and forms the central part of an atom? - Answer: Nucleus 9. Atomic Number: - What indicates the number of protons in an atom and identifies the element? - Answer: Atomic number 10. Radioactive Isotope: - What is an unstable atom called that releases particles and energy as its nucleus decays? - Answer: Radioactive isotope 11. Isotope: - What term describes atoms with the same number of protons but different numbers of neutrons? - Answer: Isotope 12. Ionic Bond: - What type of bond forms when atoms transfer electrons to other atoms?