Atomic physics

In a stable atom the amount of electrons is electron is equal to

• neutrons
• protons
• atomic mass
• neutrons + protons

What types of particles are found in the cloud surrounding the atom's nucleus?

• Positively charged particles and negatively charged particles
• Negatively charged particles only
• Neutral particles and positively charged particles
• Positively charged particles only

Where is the neutron located?

• In the loose nucleus with the electron
• In the dense nucleus with the protons
• In the electron cloud
• The nucleus floats on orbitals

How many neutrons does oxygen have?

• 16
• 15.99
• 8
• Doesn't contain any neutrons

During Beta decay, the neutron to proton ratio of atoms undergoing decay is

• Increasing
• Decreasing
• Remains constant
• None of the Above

Which nuclear emission involves the release of helium nuclei?

• alpha
• gamma
• positron
• beta

Tags

NGSS.HS-PS1-8

Which of the following correctly describes the charge of beta particles and alpha particles? 

• Alpha particles are positively charged, and beta particles are negatively charged.
• Alpha particles and beta particles are both negatively charged.
• Alpha particles are negatively charged, and beta particles are positively charged.
• Alpha particles and beta particles are both positively charged

This is the symbol for a(n)

• alpha particle
• beta particle
• gamma particle

Atom is mostly empty space

• Dalton

• Thomson

• Rutherford

• Bohr

What are hadrons made of?

• quarks

• protons and neutrons

• electrons, muons, and taos

• Fermions