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

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

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

_______________ is the process by which unstable atoms emit radiation until they become stable.

• Radiation
• Chemical Reaction
• Radioactive Decay
• Isotopes

Tags

NGSS.HS-PS1-8

Negatively charged particles emitted from a nucleus at a high speed are ____ .

• protons
• neutrons
• electrons
• protons and neutrons

Name the instrument used to detect radioactivity.

• voltmeter
• ohmeter
• seismograph
• geiger counter

What type of radiation can be the most harmful?

• microwaves
• x-rays
• infrared
• visible

Where does radioactivity have application in our lives?

• Medicine
• Energy (electricity)
• Agriculture
• All of the above

Tags

NGSS.HS-ESS3-2