Periodic Table and Electrons

Each row on the periodic table represents:

• an energy level

• a sublevel

• an electron

• an orbital

Tags

NGSS.HS-PS1-1

Which area on the periodic table represents the electrons in the "d" sublevel?

• representative elements

• columns 3-8

• rare earth elements

• transition elements

Which periodic table family could have electrons filling orbitals in the s-block?

• Alkaine Earth 
• Halogens
• Noble Gases
• Transition Metals

Tags

NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Tags

NGSS.HS-PS1-1

How many valence electrons are in this element? AND identify the element.

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²5d¹4f¹⁴5d²

• 11; Hf

• 2; Ba

• 3; La

• 2; Ta

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the element whose electron configurations ends with 5p³

• As
• Te
• Sb
• Sn

Tags

NGSS.HS-PS1-1

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

When an atom gains a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Which atom has the largest atomic radius?

• potassium

• rubidium

• francium

• cesium

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