Small Molecules Flashcards
1
Q
What is a covalent bond?
A
A bond formed when two atoms share a pair of electrons
2
Q
How many different types of atom are in an NH3 molecule?
A
2
3
Q
In a dot and cross diagram, what does each dot represent?
A
An electron
4
Q
What is the greatest number of covalent bonds that one carbon atom can form?
A
4
5
Q
How many electrons are shared in a double bond?
A
4 (2 pairs)
6
Q
What is the formula of methane?
A
CH4
7
Q
What is a triple bond?
A
Three pairs of electrons shared between two atoms
8
Q
What is the total number of atoms in an H2O molecule?
A
3
