Exam 1 Definitions

Question 1

All samples of a given compound, regardless of their source or how they were prepared, have the same proportions of their constituent elements..

Answer 1

Law of Definite Proportions

Question 2

Dalton’s Atomic Theory states

Answer 2

that matter is composed of small indestructible particles

Question 3

Ions differ from atoms in their number of..

Answer 3

electrons

Question 4

The degree of agreement among several measurements of the same quantity is called

Answer 4

Precision

Question 5

Two or more substances in variable proportions, where the composition is constant throughout are..

Answer 5

homogenus mixture

Question 6

The degree of agreement among several measurements of the same quantity is called __________. It reflects the reproducibility of a given type of measurement