Ch 5 Review (PS) - Horizon Middle School

Vocabulary
Write the term for each of the definitions.
1. Arrangement of atoms in a substance _________________________
2. represents a molecule with chemical symbols for atoms and lines
as bonds_________________________
3. attractive forces that holds atoms or ions together
_________________________
4. number written behind an element symbol to show the number of
atoms_________________________
5. number written in front of a molecular formula to show the
number of molecules_________________________
6. a negative ion_________________________
7. ion made of two or more atoms_________________________
8. bond formed when atoms share one or more pairs of
electrons_________________________
9. shows atoms with balls filling space occupied by each atom.
_________________________
10. bond formed by the attraction between oppositely charged
atoms_________________________
11. represent a molecule with balls as atoms and lines as
bonds_________________________
12. bond formed by the attraction between positively charged
metal ions and the electrons around them_________________________
13. a positive ion_________________________
14. atom’s ability to pull electrons towards its nucleus.
_________________________
15. compound that has positive and negative ends; caused by
differences in electronegativity. _________________________
Naming Ionic Compounds
1. Au+3 + O --> __________ , _________________________
2. Ba + PO4 --> __________ , _________________________
3. Cl + Ca -->
__________ , _________________________
4. Al + Cl -->
__________ , _________________________
5. HCO3 + Na --> __________ ,
_________________________
6. B + ClO3 --> __________ , _________________________
7. SO4 + Li --> __________ , _________________________
8. Mg + F -->
__________ , _________________________
9. I + K -->
__________ , _________________________
10. H + Br --> __________ , _________________________
11. Cu+1 + S -->
__________ , _________________________
12. Na + CO3 -->
__________ , _________________________
Naming Covalent Compounds
1.
2.
3.
4.
5.
6.
7.
8.
P4S5__________________________________
O2 __________________________________
SeF6 __________________________________
Si2Br6__________________________________
SCl4 __________________________________
CH4 __________________________________
B2Si __________________________________
NF3 __________________________________
Counting Atoms
1)
3 C4H7NO4
2)
5 H 2S
3)
4 K2O4S
4)
2 Li2SO4
5)
BAsO4
Ionic, Covalent and Metallic Bonding
Choose the type of bonding for each question.
1.
formed by atoms in metals packing electrons close together
2.
positive and negative ions are formed
3.
usually occurs between nonmetals
4.
allows copper to bend and conduct electricity
5.
creates compounds with very high boiling points
6.
creates compounds with low boiling point
7.
CaCl2
8.
CO2
9.
Na
General Knowledge
Write the name of each kind of model pictured below.
1.
2.
3.
4. What type of bond would 2 Fluorine atoms form? Would it be polar or
nonpolar?
5. What is the most electronegative element?
6. What is the least electronegative element?
7. What holds an ionic bond together?
8. What holds a covalent bond together?
9.
What holds a metallic bond together?
10. .
The name for the compound with the formula CuBr2 would be written:
(Hint – use Bromine’s charge to determine whether Cu+1 or Cu +2 is in
the compound.)