Atomic Radii

The more protons there are, the  ____ .

• Weaker the pull

• Smaller the electrons

• Stronger the pull

• The bigger the electrons

Tags

NGSS.MS-PS2-4

As the number of electrons is added to the same principal energy level, atomic size generally ___________.

• increases

• decreases

• varies randomly

• remains the same

Tags

NGSS.HS-PS1-1

Which of the following elements has the smallest atom

• Na

• Mg

• Si

• Cl

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.

Tags

NGSS.HS-PS1-1

Which atom has the largest atomic radius?

• potassium

• rubidium 

• francium

• cesium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In the alkali metals, which element has a larger atomic radius?

• lithium, Li

• sodium, Na

• potassium, K

• cesium, Cs

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

Which of the following elements has the smallest atomic radius?

• A) Helium

• B) Neon

• C) Argon

• D) Krypton