Lec 3 - Atoms

Question 1

What was Dalton’s Atomic Theory (1808)?

Answer 1

1. Elements are made of tiny particles called atoms.
2. All atoms of a given element are identical.
3. The atoms of a given element are different from those of any other element.
4. Atoms of one element can combine with atoms of other elements to form compounds. A given compound always has the same relative numbers and types of atoms.
5. Atoms are indivisible in chemical processes. Atoms are not created or destroyed in chemical reactions. A chemical reaction simply changes the way the atoms are grouped together.

Question 2

What did Atonine Laurent Lavouisier (1743 - 1794) discover?

Answer 2

He further evidenced dalton’s theory and created the law of conversion of Mass which is Matter can neither be created or destroyed.

Question 3

Define Compound

Answer 3

Distinct substance that is composed of the atoms of two or more elements and always contains exactly the same relative masses of those elements.