Answers 25-26 KCS18 Chemistry ICUnit Test

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

alpha particle

beta particle

gamma ray

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

alpha particle

beta particle

gamma ray

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

Superscript 226 Subscript 88 Baseline Upper R a right arrow Superscript 222 Subscript 84 Baseline Upper R n + Superscript 4 Subscript 4 Baseline Upper H e

Superscript 226 Subscript 88 Baseline Upper R a right arrow Superscript 222 Subscript 86 Baseline Upper R n + Superscript 0 Subscript negative 1 Baseline e

Superscript 226 Subscript 88 Baseline Upper R a right arrow Superscript 222 Subscript 86 Baseline Upper R n + Superscript 0 Subscript + 1 Baseline e

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 text not available

alpha decay

beta plus decay

beta minus decay

gamma radiation

Question text not available

Answer not available

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

alpha decay

beta plus decay

beta minus decay

gamma radiation

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

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

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

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

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

Question text not available

alpha decay

beta minus decay

beta plus decay

gamma radiation

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

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

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

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

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

Question text not available

Answer not available

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 + ?

Answers:

Part 1:80

The element symbol produced is:Tl

Part 3:203

Part 4:81

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? .

Answers:

Selection 1:electron

Selection 2:yes

a is b is c is The nuclear reaction is a decay.

Answers:

Part 1:19

Part 3:-1

Bombarding plutonium-239 with an alpha particle creates an isotope of curium. Balance the equation. 239 94Pu + 4 2He → a b Cm + c d n Identify the values for the unknown letters. a is b is c is d is

Answers:

Part 1:242

Part 2:96

Part 3:1

Part 4:0

The element symbol produced is .

Answer not available

Question text not available

Answer not available

Question text not available

alpha

beta minus

beta plus

gamma radiation

Question text not available

Answer not available

It has a mass number

Answer not available

c is

Answer not available

The nuclear reaction is a decay.

alpha

beta minus

beta plus

gamma radiation

Answer not available

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