science

2. A particle in an element from the Greek word atomos, meaning ''indivisible''
3. the term for a group of diseases associated with uncontrolled, unregulated cell division
5. number- the number of protons in an atom
9. the physical property of a solid that allows it to be pulled into wires
10. a substance or energy that causes a mutation in the genes that regulate cell division
12. metals- elements that occupy the far left column (first group) of the periodic table.
14. wall- the non-living outermost covering of a plant cell

1. splitting apart of unstable nuclei to produce radioactive particles
3. a negative plate in a fuel cell
4. a concept used in models that represents the force that hold atoms together
6. diagram- a diagram representing the electronic structure of an element, that comprises electrons in a series of concentric circles drawn around the central nucleus, containing the symbol of the element
7. hole -the high-density core left when a star about 30 times the mass of the sun dies
8. the physical property of a substance that shatters easily
11. the phase of mitosis during which the chromosomes split and single strands of genetic information move to opposite ends of the cell
13. A metal made by combining two or more different metals or metals and non-metal's