Final Review Basic Science 2nd Sem '25

basic units of life are called

• organs
• cells
• organelles

What are THREE functions of cells?

What is the atomic number?

• The number of protons in an atom
• The number of protons plus neutrons in an atom
• The number of nutrons in an atom

What is the atomic mass?

• The number of protons in an atom
• The number of protons plus neutrons in an atom
• The number of nutrons in an atom

Which two particles are there ALWAYS the same number of?

• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons

All protons, neutrons, and electrons have___

• The same location in an atom
• The same size and weight
• Different charges

These are vertical columns on the periodic table

• Nucleus
• Group
• Period

These are horizontal columns on the periodic table

• Nucleus
• Group
• Period

These tell how many valence electrons an atom has

• Nucleus
• Group
• Period

These tell how many outer shells an atom has

• Nucleus
• Group
• Period