Week 2

Question 1

Dalton’s Atomic Theory postulate 1

Answer 1

Elements are made out of atoms. Atoms are the smallest building block of matter.

Question 2

Dalton’s Atomic Theory postulate 2

Answer 2

Atoms of a given elements are identical, but different from atoms of different elements.

Question 3

Dalton’s Atomic Theory postulate 3

Answer 3

Atoms of one element can not be changed into atoms of a different element. Law of conservation of Matter or Mass.

Question 4

Law of conservation of matter or mass

Answer 4

Matter can be neither created nor destroyed

Question 5

Dalton’s Atomic Theory postulate 4

Answer 5

Compounds are formed when atoms of more than one element combine. Law of definite proportions

Question 6

Law of definite proportions

Answer 6

A given compound always has the same ratio of atoms and elements

Question 7

Dalton’s Atomic Theory postulate 5

Answer 7

Law of multiple proportions

Question 8

Law of multiple proportions

Answer 8

Atoms of two elements can combine in more than one way, but must be combined in whole number ratios