Atoms

Multiple Choice

What is the basic building block of all matter?

• atoms

• elements

• compounds

• mixtures

Multiple Choice

Which conclusion was a direct result of the gold foil experiment?

• An atom is mostly empty space with a dense, positively charged nucleus.

• An atom is composed of at least three types of subatomic particles.

• An electron has a positive charge and is located inside the nucleus

• An electron has properties of both waves and particles.

Multiple Choice

Which statement describes the distribution of charge in an atom?

• A neutral nucleus is surrounded by one or more negatively charged electrons.

• A neutral nucleus is surrounded by one or more positively charged electrons.

• A positively charged nucleus is surrounded by one or more negatively charged electrons.

• A positively charged nucleus is surrounded by one or more positively charged electrons.

Multiple Choice

Which is the most correct model of the atom?

• Bohr's Planetary Model

• Electron Cloud Model

• Plum Pudding Model

• Chocolate Chip Cookie Model

Multiple Choice

Which of the following models is the most correct atomic model?

Multiple Choice

Which subatomic particle has a positive charge?

• neutron

• electron

• electron cloud

• proton

Multiple Select

Which two subatomic particles are located in the nucleus of an atom?

• protons

• electrons

• neutrons

• electron cloud

Match

Match the following

• postive charge

• neutral charge

• negative charge

proton

neutron

electron

• proton

• neutron

• electron

Multiple Choice

Which subatomic particle has no charge?

• proton

• neutron

• electron

• element

Multiple Choice

Which two particles each have a mass approximately equal to one atomic mass unit?

• proton and neutron

• proton and electron

• neutron and electron

• electron and proton