Atomic Theory and Periodici

Where are the alkali metals located on the periodic table?

• far left column
• far right column
• 2nd column from left
• 2nd column from right

Where are the halogens located on the periodic table?

• far left column
• far right column
• 2nd column from the left
• 2nd column from the right

Where are the alkaline earth metals located on the periodic table?

• far left column
• far right column
• 2nd column from left
• 2nd column from right

How many valence electrons does helium have?

• 1
• 2
• 7
• 8

What is the most nonmetallic element?

• Li
• Fr
• I
• F

Where are the noble gases located on the periodic table?

• far left column
• far right column
• 2nd column on left
• 2nd column from right

How many valence electrons does fluorine have?

• 4
• 5
• 6
• 7

How many valence electrons does boron have?

• 1
• 2
• 3
• 4

What element is represented by this model?

• Beryllium
• Oxygen
• Fluorine
• Boron

Tags

NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 9
• 10
• 18
• 19