Chemistry Vocab

2. Bond formed when one or more electrons are transferred from one atom to another
4. Amount of heat needed to change the temperature of a liquid
7. Unlike substances being attracted to one another
9. Slightly different charges due to an unequal sharing of electrons
11. The electrons in the outermost shell of an atom
12. Anything that has mass and takes up space
14. A pure substance made of only one kind of atom
15. Bond where electrons are being shared
17. Subatomic particle with a negative charge
18. The number of protons and neutrons found in a single atom of a given element
20. Water's tendency to form an elastic-like sheet or skin
21. A substance that has the ability to dissolve many other substances
23. The number of protons in the nucleus of an atom's given element
24. A vertical column of elements in the periodic table
25. The solid form of water is ice

1. A group of atoms bonded together
3. Amount of heat needed to turn liquid into a gas
5. A horizontal row of elements in the periodic table
6. Like substances being attracted to one another
8. Attraction between a partially positive hydrogen atom of a water molecule and a partially negative oxygen atom of another water molecule
10. States that atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons
13. Subatomic particle with a positive charge
16. Subatomic particle with a neutral charge
19. Basic unit of matter
22. A region of an atom in which electrons of the same energy are likely to be found