Periodic Trends

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

• Gallium

• Aluminum

• Magnesium

• Strontium

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)

• Titanium (Ti)

• Calcium (Ca)

• Magnesium (Mg)

Tags

NGSS.HS-PS1-1

Which atom has the largest atomic radius?

• potassium

• rubidium 

• francium

• cesium

Tags

NGSS.HS-PS1-1

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.

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

The atom with the largest atomic radius in Group 18 is - 

• Ar

• He

• Kr

• Rn

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

NGSS.HS-PS1-2

The valence electrons are located on 

• the orbital closest to the nucleus

• the orbital furthest from the nucleus

• the orbital with the most electrons

• the orbital with the least electrons