Chemistry Crossword Puzzle

2. A way of showing chemical proportions of atoms
6. A compound with the chemical symbol NaCl
8. A substance that is made of two or more elements
9. It is defined as exactly 6.02214076×10²³ particles
10. Water freezes at 0° and boils at 100° under standard conditions.
12. The element with an atomic mass of 14.0067
13. A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system
16. An element with the O for symbol
17. Its chemical symbol is H2O
18. the unit of length in the metric system
19. a measurement of how much matter is in an object

1. An arrangement of elements in order of atomic number
3. A measurement system that uses kilo, centi, deci, etc.
4. Is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions
5. The english measurement of temperature
7. the first element in the periodic table
8. An element with the atomic number 6
11. It is the numerical equivalent of the atomic mass of an element
14. Any substance that cannot be composed into smaller substances by chemical processes
15. A measurement system that uses inches, foot,yard, etc.