Term
|
Definition
|
|
Term
|
Definition
| Formation of water from hydrogen and oxygen is an example of a... |
|
|
Term
|
Definition
| Types of chemical bonds... |
|
|
Term
|
Definition
Group of atoms bonded together
Oxy, water, niro, glucos |
|
|
Term
|
Definition
Molecule containing atoms of more thsn one element
Water and glucose |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Form when 2 atoms are held together by the attraction between opposite charges |
|
|
Term
|
Definition
| sodium has_____ in valence shell |
|
|
Term
|
Definition
| Chlorine has______ in valence shell |
|
|
Term
|
Definition
|
|
Term
|
Definition
| sodium has 1 more proton than electrons now: |
|
|
Term
|
Definition
| Chlorine has 1 more electron than protons now: |
|
|
Term
|
Definition
| Ionic compunds often called salts |
|
|
Term
|
Definition
2 atoms share electrons
2 hydrogen atoms can share electrons to fill teir first shell
Structual formula lines H-H
1 line indicates 1 pair of shared electrons
Molecular formula-simply shows numbers of atoms involvd in H2 |
|
|
Term
|
Definition
Polar covalent bond
Atoms do not share electrons equally
Oxygen is more electronegative than hydrogen
Electrons spend more time around the oxygen nucleus than the hydrogen nuclei
Oxygen end becomes slightly/hydrogens become slightly positive-not an ionic bond or ions |
|
|
Term
|
Definition
| slightly positive hydrogen of one water molecule attracted to the slightly negative oxygen in another water molecule |
|
|
Term
Solvency
Cohesion and adhesion
High heat capacity
High heat vaporization
Varying density |
|
Definition
| Properties of eater that support life: |
|
|
Term
|
Definition
| due to polarity and H-bonding water... |
|
|
Term
|
Definition
| molecules attracted to water |
|
|
Term
|
Definition
| molecules not attracted to water |
|
|
Term
|
Definition
|
|
