Unit 6.4-6.5 (Periodic Table & Trends) Practice Quiz

Dmitri Mendeleev arranged the known elements in order of increasing atomic ________________. The modern periodic table arranges the elements in order of increasing atomic _______________.

• number; number

• number; mass

• mass; number

• mass; mass

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name group 1A on the periodic table.

• alkali metals
• alkaline earth metals
• noble gases
  noble gases
• halogens

Tags

NGSS.HS-PS1-1

Name group 2A on the periodic table.

• alkali metals
• alkaline earth metals
• noble gases
• transition metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name group 8A on the periodic table.

• alkali metals
• alkaline earth metals
• transition metals
• noble gases

Tags

NGSS.HS-PS1-1

Name group 7A on the periodic table.

• transition metals
• metalloids
• halogens
• alkali metals

Tags

NGSS.HS-PS1-1

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

If you know the group number (specifically the "A" Group number) of an element, what does that tell you about its atoms?

• the number of total protons it has

• the number of valence electrons it has

• the number of total electrons it has

• the number of energy levels it has

How many valence electrons does an atom of carbon have?

• 4

• 6

• 14

• 8

Which element has a total of 7 valence electrons in its 3rd energy level?

• fluorine (F)

• chorine (Cl)

• oxygen (O)

• neon (Ne)

• Actinium (Ac)