Radioactivity

This particle determines what element you have - the elements identity.

• electron
• proton
• neutron
• valence shell

Tags

NGSS.MS-PS1-1

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.HS-PS1-8

An isotope of an element has the same number of _________, but a different number of _________.

• Protons, electrons

• Protons, neutrons

• Electrons, neutrons

• Neutrons, protons

Tags

NGSS.HS-PS1-8

What makes something radioactive?

• elements with an atomic number above 81
• an unstable nucleus
• contaminated sewage
• It decays over time

Tags

NGSS.HS-PS1-8

Which type of radiation releases an electron?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Theta radiation

What particle is released when an unstable isotope undergoes alpha radiation?

• alpha particle

• an electron

• a photon of light

• beta particle

Name the instrument used to detect radioactivity.

• voltmeter
• ohmeter
• seismograph
• geiger counter

What is emitted during Gamma Radiation?

• Particles.
• Protons
• Beta Rays.
• Gamma Rays.

Tags

NGSS.HS-PS1-8

TRUE or FALSE: gamma changes the atomic number.

• True
• False

Alpha makes the atomic number decrease by how many? 

• 1
• 2
• 3
• 5

Tags

NGSS.HS-PS1-8