Across
- 6. Composed of ions of two different elements - one of which is a metal, and the other a nonmetal.
- 9. Chemical element that forms a salt when it reacts with metal and are all highly reactive, which means they're quick to form bonds with other elements.
- 11. Is a substance composed of exactly two different elements, which are substances that cannot be simplified further by chemical means.
- 12. Is all physical properties of a material are essentially uniform.
- 14. A figure, letter, or symbol written below and to the side of another.
- 16. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge.
- 18. the general tendency of a set of data to change.
- 19. Ions that are not positive.
- 21. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- 22. Any atom or group of atoms that bears one or more positive or negative electrical charges
- 23. is an outer shell electron that is associated with an atom.
- 24. is an element that readily forms positive ions (cations) and has metallic bonds.
- 25. A positively charged ion.
- 26. group of elements whose lightest members are represented by helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine
- 29. Indicate the simple numbers of each type of atom in a molecule, with no information on structure.
- 30. A positively charged ion.
- 36. an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
- 37. A subatomic particle of about the same mass as a proton but without an electric charge.
- 38. are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.
- 39. The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Down
- 1. Is the complete transfer of valence electron(s) between atoms.
- 2. The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- 3. The mass of an atom.
- 4. A negatively charged ion.
- 5. Which family of elements do not react under normal conditions?
- 7. To the formation of a bond between two or more atoms, molecules, or ions to give rise to a chemical compound.
- 8. Is the total number of protons and neutrons in a atomic nucleus.
- 10. Shiny, soft, highly reactive metals at standard temperature and pressure and readily lose their outermost electron to form cations with charge +1.
- 13. Columns on the periodic table of elements are also called?
- 15. Is the distribution of electrons of an atom or molecule in atomic or molecular orbitals.
- 17. tends to have a relatively low melting point, brittle when solid, usually has poor thermal conductivity, and electrical conductivity.
- 20. Shiny,reactive metal, lose their two outermost electrons to form cations with a 2+ charge.
- 27. Another name on the periodic table.
- 28. Chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
- 31. Table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number.
- 32. the smallest unit of ordinary matter that forms a chemical element.
- 33. Is a chemical bond that involves the sharing of electron pairs between atoms.
- 34. the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
- 35. mass The modern periodic table is organized based on.