4.2 forming bonds with carbon

Question 1

4 valence electrons-having a structure like an intersection:

Answer 1

tetra valence

Question 2

what makes large complex molecules possible with carbon

Answer 2

tertravalence

Question 3

shape of a molecule of carbons and 4 single bonds

Answer 3

tetrahedron

Question 4

shape of ethane (C2H6)

Answer 4

double tetrahedron

Question 5

shape of:

carbon attached by double bond

Answer 5

flat - all the atoms attached are also in the same plane