Periodic Trends

Multiple Choice

The periodic table is arranged so that elements in the same column have...

• similar properties

• different properties

• similar atomic masses

• different atomic masses

Labeling

Label the components of an element on the periodic table.

Drag labels to their correct position on the image

name

atomic number

atomic mass

symbol

Dropdown

The horizontal rows of the periodic table are called ​

Select answer

while the vertical columns are called ​

Select answer

Hotspot

Which group on the periodic table is called the halogens?

Hotspot

Which group on the periodic table is called the alkali metals?

Hotspot

Which group on the periodic table is called the noble gases?

Hotspot

Which group on the periodic table is called the alkaline earth metals?

Match

Match each element with its group and period.
(Note: these group numbers are the 1-8, not the 1-18)

• Group 1

  Period 1

• Group 2

  Period 3

• Group 4

  Period 5

• Group 7

  Period 2

• Group 8

  Period 6

Hydrogen (H)

Magnesium (Mg)

Tin (Sn)

Fluorine (F)

Radon (Rn)

• Hydrogen (H)

• Magnesium (Mg)

• Tin (Sn)

• Fluorine (F)

• Radon (Rn)

Labeling

Label the different element types found on the periodic table.

Drag labels to their correct position on the image

metals

semimetals

nonmetals

Categorize

Options (9)

left of the stairs

have luster (shiny)

good conductors of heat and electricity

malleable and ductile

right of the stairs

poor conductors of heat and electricity

usually brittle, but properties can vary

along the stairs

have properties of both metals and nonmetals

Sort the properties based on the type of element they best describe.

metals

semimetals / metalloids

nonmetals

Match

Match the name of the group on the periodic table with the letter that labels that group.

• alkali metals

• transition metals

• halogens

• noble gases

• inner transition metals

A

C

D

E

F

• A

• C

• D

• E

• F

Hotspot

Select the valence electrons in an atom of lithium (Li).

Hotspot

Select the valence electrons in an atom of aluminum (Al).

Multiple Choice

Elements in the same group have similar chemical properties because they have the same number of...

• valence electrons

• total electrons

• protons

• neutrons

Fill in the Blanks

How many valence electrons does an atom of sodium (Na) have?

Fill in the Blanks

How many valence electrons does an atom of calcium (Ca) have?

Fill in the Blanks

How many valence electrons does an atom of nitrogen (N) have?

Match

Match each element with its number of valence electrons.

• 1 valence electron

• 3 valence electrons

• 5 valence electrons

• 6 valence electrons

• 8 valence electrons

Potassium (K)

Boron (B)

Arsenic (As)

Oxygen (O)

Neon (Ne)

• Potassium (K)

• Boron (B)

• Arsenic (As)

• Oxygen (O)

• Neon (Ne)

Multiple Choice

Going down group 1, the reactivity of the alkali metals...

• increased

• decreased

• stayed the same

• cannot be determined

Reorder

Sort the following atoms from smallest atomic radius to largest atomic radius.

• Helium (He)

• Silicon (Si)

• Silver (Ag)

• Strontium (Sr)

• Francium (Fr)

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Drag and Drop

When an atom loses an electron it has a ​

Placeholder

charge, its atomic radius ​

Placeholder

, and it is called a ​

Placeholder

.



When an atom gains an electron it has a ​

Placeholder

charge, its atomic radius ​

Placeholder

, and it is called an anion.

Drag these tiles and drop them in the correct blank above

positive

decreases

cation

negative

increases

anion

Fill in the Blanks

According to the octet rule, every atom wants to have _ valence electrons.

Match

Match each element with its charge when it has satisfied the octet rule.

• Lithium (Li)

• Aluminum (Al)

• Phosphorous (P)

• Sulfur (S)

• Bromine (Br)

+1

+3

-3

-2

-1

• +1

• +3

• -3

• -2

• -1

Reorder

Sort the atoms from lowest ionization energy to highest ionization energy.

• Barium (Ba)

• Palladium (Pd)

• Chlorine (Cl)

• Neon (Ne)

1

2

3

4

• 1
• 2
• 3
• 4

Dropdown

Electronegativity increases going ​

Select answer

a group and going from ​

Select answer

along a period.

Fill in the Blanks

What is the MOST electronegative element on the periodic table?

Multiple Choice

Which of the following elements has the highest electronegativity?

• Aluminum (Al)

• Silicon (Si)

• Nitrogen (N)