Day 119 CfU: Radiometric Dating

If we started with 16 g of undecayed Carbon-14, how many half lives is represented by the diagram shown?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 0 Half-Lives

• 1 Half-Life

• 2 Half-Lives

• 3 Half-Lives

• 4 Half-Lives

If we started with 16 g of undecayed Carbon-14, how many half lives is represented by the diagram shown?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 0 Half-Lives

• 1 Half-Life

• 2 Half-Lives

• 3 Half-Lives

• 4 Half-Lives

If we started with 16 g of undecayed Carbon-14, how many half lives is represented by the diagram shown?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 0 Half-Lives

• 1 Half-Life

• 2 Half-Lives

• 3 Half-Lives

• 4 Half-Lives

If we started with 16 g of undecayed Carbon-14, how old is the sample represented by the diagram?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 2 y

• 5700 y

• 11,400 y

• 22,800 y

• 17,100 y

If we started with 16 g of undecayed Carbon-14, how old is the sample represented by the diagram?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 4 y

• 5700 y

• 11,400 y

• 22,800 y

• 17,100 y

If we started with 16 g of undecayed Carbon-14, how old is the sample represented by the diagram?

(HINT: SHADED = decayed,

UNSHADED = undecayed)

• 1 y

• 5700 y

• 11,400 y

• 22,800 y

• 17,100 y

Use your understanding of radioactive decay to complete data shown in the following table.

• 25 g

• 5700 g

• 12.5 g

• 11,400 g

• 6.25 g

Use your understanding of radioactive decay to complete data shown in the following table.

• 25 g

• 5700 g

• 12.5 g

• 11,400 g

• 6.25 g

Use your understanding of radioactive decay to complete data shown in the following table.

• 25 g

• 5700 g

• 12.5 g

• 11,400 g

• 6.25 g

Use your understanding of radioactive decay to complete data shown in the following table.

• 25 y

• 5700 y

• 12.5 y

• 11,400 y

• 6.25 y