Atoms and radioactivity

Atoms are made up of?

• Electron and proton

• Electron proton and neutrino

• Electron neutron and proton

• Proton and neutron

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.HS-PS1-8

What does the 1.00794 stand for?

• mass number

• atomic number

• average atomic mass

• number of protons

If an atom has 12 protons, which of the following must it also have to be considered a neutral atom?

• 12 neutrons

• 12 electrons

• 12 protons

• 24 protons and neutrons

What is emitted during Beta Radiation?

• Electron.

• Protons.

• Neutrons.

• Nuclei

Has the symbol

• Alpha
• Beta 
• Gamma

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 when two smaller atoms combine to form a larger more stable atom

• fission

• fusion

What is emitted during Gamma Radiation?

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

Tags

NGSS.HS-PS1-8

Radiation can cause what?

• Superpowers
• Cancer
• Headaches
• The flu