Chemical level of organisation

Question 1

atomic number

Answer 1

number of protons/electrons

Question 2

mass number

Answer 2

sum of protons and neutrons

Question 3

element is…

Answer 3

a substance which cannot be broken down further, made up of only one type of atom

Question 4

96% of our body is made up of….

Answer 4

C, H, O, N: Carbon, Hydrogen, Oxygen, Nitrogen

Question 5

molecule of elements

Answer 5

made of more than 1 atom of same elements

Question 6

molecule of compounds

Answer 6

made of more than 1 atom of different elements