Atomic Size & Ionization Energy

Which atom has the smallest atomic radius?

• K

• Fr

• Rb

• Cs

Which of the following will have a lower ionization energy than scandium?

• Cr

• K

• Ni

• Br

Tags

NGSS.HS-PS1-1

Which of the following will have a larger radius than Zinc?

• Ga

• Br

• As

• Ca

Tags

NGSS.HS-PS1-1

Atoms get bigger as you move down a group on the periodic table. This is because ____________.

• The atoms have more mass.

• The atoms have more protons.

• The atoms have more energy levels.

• The atoms have more neutrons.

Which atom has the largest atomic radius?

• O

• S

• Se

• Te

Which atom has the smallest atomic radius?

• Y

• Ag

• Sr

• I

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 fewer electrons.

Tags

NGSS.HS-PS1-1

Which element has the highest ionization energy?

• Se

• Ga

• K

• Ti

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which atom has the largest atomic radius?

• Y

• Ag

• Sr

• I

Ionization energy is...

• the energy required to add an electron to a specific atom.

• how much energy it takes to remove an electron from an atom.

• the energy required to shield the outer electrons from the nucleus.

• a measure of the ability of an atom to attract electrons,

Tags

NGSS.HS-PS1-2