Unit Test

Question 1

Which form of emission is commonly not written in nuclear equations because they do not affect charges, atomic numbers, or mass numbers?

Revolt · Accepted Answer

gamma ray

Question 2

Which form of decay produces a nucleus similar to the element helium?

Revolt · Accepted Answer

alpha particle

Question 3

Radium decays to form radon. Which equation correctly describes this decay?

Revolt · Accepted Answer

Superscript 226 Subscript 88 Baseline Upper R a right arrow Superscript 222 Subscript 86 Baseline Upper R n + Superscript 4 Subscript 2 Baseline Upper H e

Question 4

Question 7

Revolt · Accepted Answer

alpha decay

Question 5

Gold can undergo transmutation. This type of nuclear decay is called .

Revolt · Accepted Answer

alpha decay

Question 6

Helium decays to form lithium. Which equation correctly describes this decay?

Revolt · Accepted Answer

Superscript 6 Subscript 2 Baseline Upper H e right arrow Superscript 6 Subscript 3 Baseline Upper L i + Superscript 0 Subscript negative 1 Baseline e

Question 7

Question 11

Revolt · Accepted Answer

beta minus decay

Question 8

In this nuclear reaction equation, oxygen decays to form nitrogen. Which equation correctly describes this decay?

Revolt · Accepted Answer

Superscript 15 Subscript 8 Baseline Upper O right arrow Superscript 15 Subscript 7 Baseline Upper N + Superscript 0 Subscript 1 Baseline e

Question 9

Mercury-203 undergoes beta minus decay. The subscript in the nuclide notation, Hg, is . 203 ?Hg →? The element symbol produced is . It has a mass number and an atomic number . 203 80Hg → 203 81TI + ?

Revolt · Accepted Answer

Part 1: 80; The element symbol produced is: Tl; Part 3: 203; Part 4: 81

Question 10

Mercury-203 undergoes beta minus decay. 203 80Hg → 203 81 Tl + ? The subatomic particle produced is a(n) . 203 80Hg → 203 81 Tl + 0 -1 e Is this the correct balanced equation? .

Revolt · Accepted Answer

Selection 1: electron; Selection 2: yes

Unit Test Answers

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