Exploring Periodic Table Trends

How many valence electrons do elements in Group 1 have?

• 1

• 3

• 2

• 4

What is the trend in the number of valence electrons as you move from left to right across a period?

• The number of valence electrons remains constant.

• The number of valence electrons decreases.

• The number of valence electrons increases.

• The number of valence electrons fluctuates randomly.

Which group of elements has 8 valence electrons?

• Halogens

• Alkali metals

• Transition metals

• Noble gases

How does the atomic size change as you move down a group in the periodic table?

• Atomic size decreases as you move down a group in the periodic table.

• Atomic size increases as you move down a group in the periodic table.

• Atomic size fluctuates randomly as you move down a group in the periodic table.

• Atomic size remains constant as you move down a group in the periodic table.

What happens to the atomic size as you move from left to right across a period?

• Atomic size remains the same.

• Atomic size decreases.

• Atomic size fluctuates.

• Atomic size increases.

Which element has the largest atomic size in Period 2?

• Boron (B)

• Beryllium (Be)

• Carbon (C)

• Lithium (Li)

How does the metallic radius change as you go down a group?

• The metallic radius increases as you go down a group.

• The metallic radius remains constant as you go down a group.

• The metallic radius decreases as you go down a group.

• The metallic radius first decreases and then increases as you go down a group.

What is the trend in metallic radius as you move from left to right across a period?

• The metallic radius fluctuates unpredictably.

• The metallic radius increases.

• The metallic radius remains constant.

• The metallic radius decreases.

Which metal has the largest metallic radius in Group 2?

• Barium (Ba)

• Magnesium (Mg)

• Strontium (Sr)

• Calcium (Ca)