4.3: Periodic Trends

Presentation

•

Chemistry

•

9th - 12th Grade

•

Medium

•

NGSS

HS-PS1-1, HS-PS1-2

Standards-aligned

Katherine Fehrenbach

Used 3+ times

FREE Resource

21 Slides • 13 Questions

Multiple Choice

How many valence electrons does carbon have?

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

Multiple Choice

Which element has a larger atomic radius, Sodium (Na) or Magnesium (Mg)?

Sodium (Na)

Magnesium (Mg)

Both have the same atomic radius

Cannot be determined

Multiple Choice

Which of the following elements has the smallest atomic radius?

Helium (He)

Neon (Ne)

Argon (Ar)

Xenon (Xe)

Multiple Choice

Why does Fluorine (F) have a smaller atomic radius than Lithium (Li)?

Because Fluorine has fewer protons than Lithium

Because Fluorine has more energy levels than Lithium

Because Fluorine has a higher nuclear charge, pulling electrons closer

Because Lithium is a gas at room temperature

Multiple Choice

Which of the following will have a lower ionization energy than Scandium (Sc)?

Helium (He)

Titanium (Ti)

Calcium (Ca)

Magnesium (Mg)

Multiple Choice

Which of the following will have a higher electronegativity than arsenic (As)?

Carbon (C)

Neon (Ne)

Antimony (Sb)

Germanium (Ge)

Multiple Choice

Francium (Fr) has the lowest ionization energy in Group 1 because -

it has the smallest number of valence electrons

it has the greatest atomic mass

it has the greatest number of protons, so it attracts its electrons the strongest

its 1 valence electron is very far from the nucleus, so little energy is needed to remove it

Multiple Choice

In the halogen family, which element is the most electronegative?

iodine, I

fluorine, F

chlorine, Cl

helium, He

Multiple Choice

Which of the following elements is the most electronegative?

Hydrogen, H

Aluminum, Al

Oxygen, O

Cesium, Cs

Multiple Choice

As you look down a group, ionic radius

increases

decreases

Multiple Choice

Which particle has the larger radius?

K⁺

Multiple Choice

Which particle has the larger radius?

F^-

Show answer

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