Across
- 3. An area that takes up the space of the central core of an atom and consists of positive and no charge subatomic particles
- 6. Are positively charged particles that have a high energy and are located in the nucleus
- 7. Occurs when two atoms that are seperate, share one or more pairs of electrons
- 12. Is an outer shell electron, that is associated with the formation of an atom;farthest away from the nucleus
- 14. Is the simplest part of a substance that retains all of the properties of this said substance and exists in a free state
- 15. The basic unit that makes up an element, the simplest particle of an elemen, basic unit of matter
Down
- 1. Any atom or group of atoms, that either form a positive or negative charge
- 2. a scientific table that was first assembled by Dmitri Mendeleev, which entails all of the elements known to man, which are organized by their atomic number
- 4. Is a pure substance made up of atoms of two or more elements
- 5. A transferring of electrons from atom to another. Can either result in being a positvely or negatively charged ion
- 8. A pure substance that can not be broken down into simpler kinds of substances
- 9. Anything that has mass and takes up space, everything in the universe is composed of matter
- 10. Particles with no charge located in the nucleus, depending on the number, different isotopes may form
- 11. Variants of a certain element based on the amount of neutrons in the nucleus.
- 13. Are negatively charged subatomic particles that have a high energy with almost no mass, which are located in the shells of an atom