Lesson (2)
I.
Write the chemical formula for each of the following:
a. Sodium nitrate …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… b. Calcium carbonate …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… c. Nitric acid …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… d. Aluminum hydroxide …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… e. Ferric chloride …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………
II.
Define each of the following:
a. Valency …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… b. The atomic group …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… c. The acid …………………………………………………………………………………………………………… …………………………………………………………………………………………………………… d. The base …………………………………………………………………………………………………………… ……………………………………………………………………………………………………………
III.
Compare between Acids and Alkalis : Acids
Alkalis
10