Matter
Across
- 6. The number of a specific substance found in nucleus of every atom of an element.
- 7. The central part of an atom which contains protons and neutron along with having an enormous density of matter .
- 8. Metal made by combining two or more metallic elements.
- 14. Intermingling of substances by natural movement of their particles
- 15. Smaller than or occurring within an atom.
- 17. A reactive non-metallic elements that forms strongly acidic compounds with hydrogen. Occupying the group of occupying group VIIA (17) of the periodic table.
- 18. An element or substance which is not metallic.
- 20. The smallest particle of a chemical element that can exist.
- 21. Any elements occupying IA (1) of the periodic table, they are very reactive, monovalent metals that forms strongly alkaline hydroxides.
- 22. The universe's fundamental unit of negative charge.
- 23. A substance composed of identical molecules consisting of atoms of two or more chemical elements.
- 24. A substance which cannot be decomposed into simpler substances.
- 26. A column in the periodic table of chemical elements.
- 28. A group of two or more atoms that forms the smallest identifiable unit.
- 29. A notation of one or two letters representing a chemical element.
Down
- 1. A particle formed in the nucleus of an atom and carries no electric charge.
- 2. Stable subatomic particle that has a positive charge .
- 3. The amount of particular substances contained within a solution/mixture or in a particular volume/space.
- 4. A solid hard, shiny material with good electrical and thermal conductivity.
- 5. A table of the chemical elements arranged in order of atomic number in rows so that elements with similar atomic structure/ chemical properties appears in vertical columns .
- 8. Number of protons in the nucleus of an atom.
- 9. The row of chemical elements in the periodic table.
- 10. Any elements occupying group IIA (2) of the periodic tbale , usually words ending with ium. They are reactive, electropositive, divalent metals.
- 11. The physical property of matter
- 12. Sum of the number of protons and neutrons present in the nucleus of an atom.
- 13. the property of matter and radiation which is manifest as a capacity to perform work.
- 16. An element whose property are intermediate between those of metals and solid non-metals.
- 19. A minute portion of matter
- 25. Anything that has moss and occupies space
- 27. process by which molecules of a solvent tends to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.