Atomic Trends

Periodic Trends are properties that show ________ ​ when examined across the periods or vertically down the groups.

• Patterns

• Disorganization

• Acceptance

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name 4 Periodic Trends :

• Proton

  Levels

• Atomic

  Radii

• Ionic

  Radii

• Electronegativity

• Ionization

  Energy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The measure of the size of the atom. The distance between the nuclei of identical atoms that are bonded together.

• Atomic Radii

• Ionic Radii

• Electronegativity

• Ionization Energy

As you move across the period, atoms tend to get _______ because the positively charged _______ pull the electrons closer to the nucleus.

• bigger,

  electrons

• smaller,

  protons

• smaller,

  neutrons

• bigger,

  protons

Tags

NGSS.HS-PS1-1

As you move down the periodic table the atom's size tend to get ______, because the atoms have more ___________.

• smaller,

  mass

• bigger,

  protons

• bigger,

  energy levels

• smaller,

  neutrons

Tags

NGSS.HS-PS1-1

Which element has the largest atomic radius?

• Kr

• Br

• Zn

• Fe

• Cs

The atom with the largest atomic radius in Group 18 is - 

• Ar

• He

• Kr

• Rn

What is a negatively-charged ion which forms when an atom gains electrons?

• Cation

• Anion

What is a positively-charged ion which forms when an atom loses electrons?

• Cation

• Anion

What is the trend in ionic radius for cations (lost electron)?

• Ionic radius is smaller than the atomic radius

• Ionic radius is larger than the atomic radius

• Ionic radius is equal to the atomic radius