Chemistry B CP

In nuclear chemistry He is also known as __________.

• an alpha particle

• a beta particle

• a gamma ray

• a fissionable nucleus

Tags

NGSS.HS-PS1-8

A beta particle is __________.

• A helium nucleus with a mass of 4 and atomic number of 0

• An electron with a mass of 0 and atomic number of -1

• Pure electromagnetic energy with zero mass and zero charge

• A high energy proton with a mass of 1 and atomic number of 1

If Po-210 undergoes beta decay, what nuclide is produced?

• Pb-206

• Bi-210

• At-210

• none of these

Tags

NGSS.HS-PS1-8

Uranium-238 is a naturally occurring radioactive isotope that tends to emit alpha particles. What is the other product of the reaction below?

• ²³⁴₉₀Th

• ²⁴²₉₄Pu

• ²⁴⁰₉₀Th

• none of these

Tags

NGSS.HS-PS1-8

One problem with nuclear fission reactions is ________.

• Production of energy.

• They do not produce green house gases.

• The risk of biological exposure.

• none of these

Tags

NGSS.HS-PS1-8

Which of the following has the different types of radiation ranked from least to greatest penetrating power?

• alpha < beta < gamma

• beta < alpha < gamma

• gamma < beta < alpha

• gamma < alpha < beta

When ²⁰⁰₈₀Hg captures an alpha particle, the product nuclide is ______.

• ¹⁹⁶₇₈Pt

• ²⁰⁰₇₉Au

• ²⁰⁴₈₂Pb

• none of these

Tags

NGSS.HS-PS1-8

When ⁹₄Be captures a beta particle what element is produced?

• He

• Li

• B

• C

Tags

NGSS.HS-PS1-8

If Ra-226 emits two alpha particles, what nuclide is produced?

• Po-218

• Rn-222

• Th-230

• U-234

Tags

NGSS.HS-PS1-8

A sample of bismuth has a mass of 343g and a volume of 35.0cm³. What is the density of bismuth?

• a.  0.102 g/cm³ 

• b. 9.80 g/cm³ 

• c. 378 g/cm³ 

• d. 1.20 x 10⁴ g/cm³