AP Chemistry Unit 4

Cations (+) are _________ than their atoms. Anions (−) are _________ than their atoms.

• smaller

  larger

• larger

  smaller

• smaller

  smaller

• larger

  larger

What is the electron configuration for the zinc atom in the ground state?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10

• 1s2 2s2 2p6 3s2 3p6 4s2 4d10

• 1s2 2s2 2p6 3s2 3p6 4d10

• 1s2 2s2 2p6 3s2 3p6 3d10

Tags

NGSS.HS-PS1-1

What is the electron configuration for the zinc ion?

• 1s2 2s2 2p6 3s2 3p6 3d10

• 1s2 2s2 2p6 3s2 3p6 4s2 3d8

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2

• 1s2 2s2 2p6 3s2 3p6 4d10

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a PES graph, 1s electrons will have a _______ binding energy than 2s electrons.

• higher

• lower

• same

When Ca becomes an ion, it _______ electrons and gets _________.

• loses

  smaller

• loses

  larger

• gains

  smaller

• gains

  larger

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If a metal and a nonmetal are in the same period, the ______ will have the higher ionization energy because it has ___________________.

• metal

  higher effective nuclear charge

• nonmetal

  higher effective nuclear charge

• metal

  more energy levels

• nonmetal

  more energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Based on Coulomb's law, an electron is more tightly held to the nucleus if the charge of the nucleus is ___________ and the distance between them is ____________.

• greater

  greater

• greater

  smaller

• smaller

  smaller

• smaller

  greater

Tags

NGSS.HS-PS2-4

What element has the following mass spec data?

• Thulium

• Copper

• Europium

• Zinc

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many isotopes are shown in this mass spec?

• 1

• 2

• 6

• 7

Tags

NGSS.HS-PS1-8

What element has the following mass spec data?

• Tin

• Tellurium

• Chromium

• Polonium

Tags

NGSS.MS-PS1-1