Energy Level

Which drop in energy levels would emit red light (low energy)?

• E₄ to E₁

• E₃ to E₁

• E₂ to E₁

• All drops would produce red light

Tags

NGSS.HS-PS4-3

What do you have to add for electrons to become excited and go up an energy level?

• Electrons

• Protons

• Energy

• Neutrons

Tags

NGSS.HS-PS1-1

Which of these statements are true about electron shells?

• They do not all hold the same number of electrons

• The shells occasionally collapse on the nucleus

• The electrons orbit like planets around a star.

• All of the above

Another name for electrons shells is ________________.

• nucleus

• chemical bonding

• energy levels

They are imaginary regions (places) around the nucleus in which the electrons move according to their energies.

• Atom

• Element

• The energy levels

• Molecules

The first energy level is ....................

• K

• L

• M

• N

The second energy level is saturated with ................ electrons.

• 2

• 8

• 18

• 32

The fourth energy level is saturated with ................ electrons.

• 2

• 8

• 18

• 32

What is the maximum number of electrons that can occupy the third energy level?

• 8

• 18

• 32

• 50

Which of the following elements has its outermost electrons in the second energy level?

• Hydrogen

• Helium

• Lithium

• Neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2