Unit 2 Review

Which of the following is an Alkali Metal? 

• Magnesium
• Chromium
• Sodium
• Fluorine 

Tags

NGSS.HS-PS1-1

Which of the following is an Alkaline Earth Metal? 

• Calcium
• Lithium
• Phosphorus
• Copper 

Tags

NGSS.HS-PS1-1

Which of the following is a transition metal? 

• Iron
• Oxygen
• Neon
• Barium

Tags

NGSS.HS-PS1-1

Which of the following is the most reactive group of metals? 

• Alkali
• Alkaline Earth
• Halogen
• Transition Metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the most reactive group of non-metals? 

• Alkali
• Alkali Earth
• Halogen
• Noble Gas

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The central region of an atom where neutrons and protons are located is the __________________.

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.HS-PS1-8

24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?

• 74.92 amu
• 24.97 amu
• 75.01 amu
• 74.51 amu

Put the following in order of increasing ionization energy:Neon, Lithium, Carbon

• Lithium, Carbon, Neon
• Carbon, Lithium, Neon
• Neon, Carbon, Lithium
• Lithium, Neon, Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you look down a group, ionization energy and electronegativity

• increases

• decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you look from left to right across a period, ionization energy and electronegativity both

• increase

• decrease

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2