Matter

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.

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.