Nuclear Chemistry

What do these symbols represent?

• alpha particle
• beta particle
• neutron
• gamma ray

Tags

NGSS.HS-PS1-8

How many protons are in this atom?

• 3
• 4
• 6
• 10

Tags

NGSS.MS-PS1-1

How are these isotopes different?

• Different atomic numbers
• Different number of protons
• Different number of neutrons
• Different number of electrons

Tags

NGSS.HS-PS1-8

What is the mass number of at isotope that has 20 protons, 21 neutrons and 18 electrons?

• 18
• 20
• 21
• 41

Tags

NGSS.HS-PS1-8

What is one problem with using nuclear fission as an energy source?

• finding radioactive elements that have longer half-lives
• finding ways of storing radioactive wastes
• finding compounds to cool heated water
• finding non-radioactive elements for reactors

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS1-8

What type of nuclear equation is this?

• fusion
• fission
• alpha
• beta

Tags

NGSS.HS-PS1-8

What sort of shield will block gamma rays?

• skin
• paper
• aluminum
• thick lead

Which nuclear process is shown in the picture?

• fission
• fusion
• alpha decay
• beta decay

Tags

NGSS.HS-PS1-8

In a neutral atom, the number of protons always equals

• the number of neutrons.
• the number of electrons.
• the mass number.
• the average atomic mass.

Tags

NGSS.MS-PS1-1

Why does an atom undergo beta decay?

• It has too many electrons.
• It has an atomic number greater than 83
• It has more neutrons than protons
• It has more protons than neutrons

Tags

NGSS.HS-PS1-8