Chemistry Midterm Review

Which Bohr Model has 8 electron in its outer shell?

• Na

• Mg

• Ne

• B

Tags

NGSS.HS-PS1-1

What is the mass of this atom?

• 30

• 65

• 35

• 5

Tags

NGSS.HS-PS1-7

Aluminum has ____ valence electrons

Tags

NGSS.HS-PS1-1

Draw the Periodic trend for electronegativity.

(Hint: it is an arrow)

Answer explanation

Left to right, upwards

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Draw the Periodic trend for Atomic radius .

(Hint: it is an arrow)

Answer explanation

Right to left, downwards

Tags

NGSS.HS-PS1-1

Draw the Periodic trend for Atomic radius .

(Hint: it is an arrow)

Answer explanation

Right to left, downwards

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Draw the Periodic trend for Ionization .

(Hint: it is an arrow)

Answer explanation

Diagonally upwards too ( Just like electronegativity)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Circle the element with the largest Electronegativity : (B) (Cu) (Cl)?

Answer explanation

Chlorine !!!

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of bond would you expect Copper and Oxygen to have?

• Ionic

• Covalent

• Metallic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What has the electron configuration: 1s²2s²2p⁶3s²3p⁶4s²

• Ti

• Ca

• Sn

• Ne

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2