Atom and Subatomic Particle Quiz

Ice melts to liquid water. Before it melted it had a mass of 30 g. Afterwards, it had a mass of 30g. What is this an example of?

• Law of Conservation of Mass

• Law of Definite Proportions

• Law of Multiple Proportions

• Dalton's 5 Priniciples

What is the smallest unit of an element?

• Proton

• Neutron

• Electron

• Atom

Which subatomic particles are said to have mass?

• Proton

• Neutron

• Electron

• Quarks

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Atom

Which particle determines the element it is?

• Proton

• Neutron

• Electron

• Atom

What is in the nucleus

• proton

• neutron

• electron

Tags

NGSS.HS-PS1-8

Are atoms positive, neutral, or negative

• positive

• neutral

• negative

How many electrons would an atom of Helium have

• 1

• 2

• 3

• Not enough information

An atom is made mostly of

• Protons

• Neutrons

• Electrons

• Empty Space

Tags

NGSS.MS-PS1-1

What is the negative end of a cathode ray called?

• cathode

• anode

• diode