Periodic Trends (Radius & Ionization Energy)

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

Tags

NGSS.HS-PS1-1

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which periodic group has the smallest atomic radius?

• Alkali metals
• Halogens
• Noble Gases
• Transition metals

Atomic radius generally increases as we move __________.  

• down a group and from right to left across a period 
• up a group and from left to right across a period 
• down a group and from left to right across a period 
• up a group and from right to left across a period 

Tags

NGSS.HS-PS1-1

The more protons there are, the  ____ .

• Weaker the pull
• Smaller the electrons
• Stronger the pull
• The bigger the electrons

Tags

NGSS.MS-PS1-1

Which element's atom is larger? Nitrogen or Phosphorus?

• Nitrogen

• Phosphorus

Tags

NGSS.HS-PS1-1

Which element's atom is the smallest?

• Rhodium

• Silver

• Cadmium

• Tin

Tags

NGSS.HS-PS1-1

Which order is correct from largest to smallest atomic radius?

• Thallium, Indium, Gallium, Boron

• Boron, Thallium, Indium, Gallium

• Boron, Gallium, Indium, Thallium

• Thallium, Gallium, Indium, Boron

Tags

NGSS.HS-PS1-1

Which of the following elements has the smallest atomic radius: Li, O, C, F?

• Li
• O
• C
• F

Tags

NGSS.HS-PS1-1

Of the elements Ca, Be, Ba, and Sr, which has the largest atomic radius?

• Be
• Ba
• Ca
• Sr

Tags

NGSS.HS-PS1-1