Chemistry Final Exam

An ionic bond is between

• metal and metal

• metal and nonmetal

• nonmetal and nonmetal

Tags

NGSS.HS-PS1-2

A covalent bond is between

• metal and metal

• metal and nonmetal

• nonmetal and nonmetal

The periodic table is organized by the

• atomic numbers

• alphabetical order

• densities

• melting points

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Is this the correct lewis dot for Sodium?

• yes

• no

Tags

NGSS.HS-PS1-1

Which Lewis dot matched the configuration:

 $1s^2$   $2s^2$   $2p^2$   $2p^6$   $3s^1$  

• 
• 
• 

Tags

NGSS.HS-PS1-1

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.HS-PS2-4

Subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons

• valence electrons

• isotopes

• ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does this picture show?

• 2

• 3

• 4

• 5

• 6

Tags

NGSS.HS-PS1-1

Atoms form bonds:

• To become more stable
• To become neutral
• To be happy
• To gain potential energy

What will this atom do to become stable?

• Gain 3 e-

• Gain 5 e-

• Lose 3 e-

• Lose 5 e-

• Already stable