Thou Shalt Not Forget: Unit 5

When an electron is in a higher energy level, it is...

• further from the nucleus

• closer to the nucleus

When an electron is in a lower energy level, it is...

• further from the nucleus

• closer to the nucleus

When an electron is in a lower energy level, it has...

• more Coulombic attraction to the nucleus

• less Coulombic attraction to the nucleus

As you move across a row on the periodic table, the valence electrons are ____ attracted to the nucleus.

• more

• less

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you go across, left to right, on a periodic table row, the atomic radius generally...

• increases

• decreases

• stays the same

As you go across, left to right, on a periodic table row, the ionization energy generally...

• increases

• decreases

• stays the same

What does the height of the peak in a PES graph mean?

• stronger Coulombic attraction

• weaker Coulombic attraction

• more electrons

• larger atomic radius

When reading a PES graph, what does a larger binding energy mean?

• electrons are closer to the nucleus

• electrons are further from the nucleus

• more electrons are present

• smaller atomic radius

Place the orbitals in order starting after 2p

• 4s

• 3d

• 4p

• 3p

• 3s

Tags

NGSS.HS-PS1-1

Isotopes of an element have the same number of protons but different number of...

• electrons

• neutrons

• charged particles