Electron

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 4p¹

Tags

NGSS.HS-PS1-1

Valence electrons are located...

• inside the nucleus

• in outer space

• on the outermost orbit of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do you start electron configuration with?

• 1s²

• 1d¹⁰

• 1f¹⁴

• 1p⁶

Tags

NGSS.HS-PS1-1

Which subatomic particle is involved in chemical reactions?

• Proton

• Neutron

• Electron

• Both A and C

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.HS-PS1-1

How many electrons does a neutral atom with 14 protons and 16 neutrons have?

Mathematical Equivalence

ON

What is the relative mass of an electron compared to a proton?

• The same

• Half

• Negligible

• Twice

Which of the following elements has a full valence shell in its ground state?

• Helium

• Lithium

• Carbon

• Oxygen

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1