Carbon - The Element of Life

What determines whether an atom is carbon or some other element?

• Number of protons and neutrons

• Number of protons

• Number of neutrons

• Number of electrons

How many protons are there in the nucleus of a carbon atom?

• 1

• 2

• 5

• 6

How many valence electrons does a carbon atom have?

• 2

• 4

• 8

• 6

What is the shape of a carbon atom bound to four other atoms?

• Spherical

• Three-dimensional

• Flat

• Linear

What are some allotropes of carbon?

• Diamond

• Fullerene

• Graphite

• Sugar

Carbohydrates, lipids, proteins, and nucleic acids are all _________ based biomolecules.

Where is the nucleus?

Where are the valence electrons?

Please draw a model that represents a carbon atom. Include the correct number of protons and neutrons in the nucleus AND then show how the electrons are arranged in the two shells/orbitals.

Carbon can form bonds with ​how many other atoms?​ (a)   ​

• 4
• 1
• 2
• 3
• 5