Instrumental Techniques

Question 1

What types of information can scientists receive about a substance using machines?

Answer 1

• Pure or impure
• Molecular mass
• Types of bonds
• Arrangements of atoms in a molecules
• Isotopes of different atoms

Question 2

What are isotopes?

Answer 2

Different atoms of the same molecules, with differing mass numbers but the same atomic number.

Question 3

What are the advantages of using instruments?

At least 3 reasons

Answer 3

• don’t damage substance
• more sensitive
• can identify all substances
• requires only tiny amounts of substances
• Reliable, quick and accurate