Anything that has mass and takes up space is called ____________.

• Atom

• Element

• Molecule

• Matter

___________is the basic unit from which all matter is made.

• Element

• Atoms

• Molecule

• Matter

What subatomic particle has a positive charge?

• Neutron

• proton

• electron

• photon

Which subatomic particle is the heaviest?

• neutron

• proton

• electron

• quark

Which subatomic particle is NOT located in the nucleus?

• neutron

• proton

• electron

• gluon

Which of the following is NOT a property of electrons?

• They can act as both a particle and a wave.

• They are positively charged.

• We cannot know how fast they are going or where they are at the same time.

• They exist in orbitals (2 per orbital)

• Electrons are really weird

Tags

NGSS.HS-PS4-3

Who first proposed that everything is made of tiny indivisible particles?

• Democritus

• Rutherford

• Dalton

• Bohr

Whose atomic theory proposed that indivisible atoms combine in whole number ratios?

• Democritus

• Dalton

• JJ Thomson

• Rutherford

• Chadwick

Tags

NGSS.MS-PS1-5

Which of the following best describes the plum pudding model of the atom?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Which best describes Rutherford's theory of the atom?

• Plum Pudding Model

• Indivisible particles

• The atom is mostly empty space, with a nucleus in the middle

• Electrons live in orbitals