Chemistry Essentials - Atoms, Molecules and Free radicals

Question 1

What is atomic mass?

Answer 1

The total mass of an atom equal to the Protons + neutrons

Question 2

What is the atomic mass of an electron?

Answer 2

0

Question 3

What is the atomic mass of an neutron?

Answer 3

1

Question 4

What is the atomic mass of an proton?

Answer 4

1

Question 5

How are free radicals neutrialised?

Answer 5

Antioxidants neutralize free radicals by giving up some of their own electrons

Question 6

What are free radicals?

Answer 6

oxygen-containing molecules with an uneven number of electrons

Question 7

What is the threat of free radicals?

Answer 7

Their uneven number means they easily react with other molecules and cause large chain chemical reactions in your body. These reactions are called oxidation.

Question 8

How do free radicals occur?

Answer 8

Oxidation when a chemical bond is broken and the molecule loses an electron

Question 9

What diseases are linked to free radicals?

Answer 9

Cancer, arthritis, Alzheimer’s etc

Question 10

Why does molecular mass matter in a medical sense?

Answer 10

A drug with a larger mass will take longer to be broken down by the body