Chemistry Essentials: Chemical Bonds

Covalent bonds involve involve the _________________ of electrons, whereas ionic bonds involve the _________________ of electrons

(a)  

In general, how many electrons does carbon have?

• 2

• 4

• 6

• 12

Tags

NGSS.HS-PS1-1

How many valence electrons does carbon have?

• 2

• 4

• 6

• 12

Tags

NGSS.HS-PS1-1

When an atom is "stable", that means it's...

• Unlikely to get involved in chemical reactions

• Unlikely to fall over

• Unlikely to get lost

• Unlikely to ride horses

Tags

NGSS.HS-PS1-2

Oxygen has 6 valence electrons. How many more electrons does it need to fulfill the octet rule

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

Single bonds occur when atoms share _______ pair of electrons.

• one

• two

• three

• four

Double bonds occur when atoms share _______ pair of electrons.

• one

• two

• three

• four

Carbon has 4 valence electrons. How many more electrons does it need to fulfill the octet rule

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Based on the image: How many electrons do you see in Sodium's outer (valence) shell?

• 1

• 8

• 2

• 4

Tags

NGSS.HS-PS1-1

Most chemical reactions occur because:

• Atoms want to get 8 protons

• Atoms want to get 8 neutrons

• Atoms want to get 8 valence electrons

• Atoms want to get eight nuclei

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2