Across
- 4. is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element.
- 7. good conductor of heat and electricity
- 8. positively charge
- 11. table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and etc.
- 12. A measure of the rate at which a defined amount of matter
- 14. name the measure of one-dimensional objects
- 16. is the process observing and recording the observations that are collected as part of a research effort.
- 18. The halogens or halogen elements (/ˈhælədʒɨn/) are a group in the periodic table consisting of five chemically related elements, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine
- 19. gravity the ratio of the density of a substance
- 22. are the elements found along the stair-step line that distinguishes metals from non-metals
- 24. number the number of protons in the nucleus of an atom of an element
- 27. negatively charge
- 29. are atoms of the same element, having same atomic number but different atomic masses due to the difference in the number of neutrons present.
Down
- 1. is a positively charged ion. Thus it has fewer electrons than protons. It is also attracted to the cathode in the process of electrolysis
- 2. the quantitative measure of inertia
- 3. metals comprise, at minimum, those metallic chemical elements which have historically been used as components in alloys used to mint coins.
- 4. The ability of a measurement to match the actual value of the quantity being measured
- 5. measurement is a definite magnitude of a physical quantity, defined and adopted by convention or by law, that is used as a standard for measurement
- 6. refering to minutes , seconds hours
- 9. The act or state of being changed from one unit into another
- 10. Close, careful conformity to a convention, pattern, or objective standard in minute detail.
- 13. is a measure of the thermal energy given off by moving particles
- 15. current (from Latin tellūs, "earth"), or Earth current, is an electric current which moves underground or through the sea
- 17. system is a system of measurement in a decimal form (each successive unit of measure is 10 times larger or smaller than the preceding unit). Its name is from the Greek (métron, to measure).
- 20. is an atom or molecule in which the total number of electrons is not equal to the total number of protons
- 21. basic unit of an element
- 23. is a way to measure how tightly packed an object is. Denser objects have less empty space in them
- 25. has no charge
- 26. the amount of space an object takes up.
- 28. the force that gravitation exerts upon a body