Select the equation for specific charge

• specific charge = absolute mass/ absolute charge

• specific charge= absolute charge / absolute mass

• specific charge = relative charge/ relative mass

• specific charge = relative mass/ relative charge

There are ……. Neutrons

• 79

• 197

• 118

• 276

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass

What kind of force holds the nucleus together?

• Strong Nuclear Force

• Weak Nuclear Force

• Gravitational Force

• Electromagnetic Force

The role of the proton is?

• To make an atom what it is

• To keep the nucleus stable

• To engage in chemistry

• To not interact with anything

The existence of the neutrino has been hypothesised...

• because we can see it.

• to conserve charge number in beta decay.

• to conserve energy in beta decay.

• to conserve charge in alpha decay.

• to conserve energy in beta decay.

Tags

NGSS.HS-PS1-8

What is the ANTI-PARTICLE of Electron

In pair production, the following happens...

• one photon produces a particle-antiparticle pair

• two photons produce a particle-antiparticle pair

• a particle-antiparticle pair meets and produces a photon

• a particle-antiparticle pair meets and produces two photons

Tags

NGSS.HS-PS4-3

Antiparticles have the ______________ as the corresponding particle (select two)

• same mass

• same charge

• opposite mass

• opposite charge.

Light acts like waves and we see this (1)

Light acts as particles and we see this when it (2)

• 1. when it diffracts

  2. in the photoelectric effect

• 1. in the photoelectric effect

  2. when it diffracts

Tags

NGSS.HS-PS4-3