Nuclear Processes

Which subatomic particles are found in the nucleus of an atom?

• Protons & Neutrons

• Just Neutrons

• Protons & Electrons

• Neutrons & Electrons

Tags

NGSS.HS-PS1-8

What is a beta particle?

• 2 protons & 2 neutrons

• a high energy EM wave

• an electron

• a large unstable nucleus

Tags

NGSS.HS-PS1-8

What is an alpha particle?

• An electron

• A Helium nucleus (2 protons & 2 neutrons)

• A high energy EM wave

• The largest subatomic particle

Tags

NGSS.HS-PS1-8

What happens in Nuclear Fusion?

• A large heavy nucleus splits apart.

• An unstable nucleus emits a helium nucleus.

• An unstable nucleus release in the form of gamma radiation.

• Two smaller nuclei combine to form a larger nucleus.

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What happens in Nuclear Fission?

• A large heavy nucleus splits apart.

• A neutron is transformed into a proton, and a high energy electron is released.

• An unstable nucleus release in the form of gamma radiation.

• Two smaller nuclei combine to form a larger nucleus.

Tags

NGSS.HS-PS1-8

How do nuclear reactions (fusion & fission) compare to chemical reactions?

• They both release about the same amount of energy.

• Nuclear reactions release much more energy.

• Nuclear reactions release less energy.

Tags

NGSS.HS-PS1-8

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

Tags

NGSS.HS-PS1-1

An element is defined by its number of 

• protons
• electrons
• neutrons
• protons + electrons