Chemistry Quiz

Which subatomic particle has no electrical charge?

• Proton

• Neutron

• Electron

• Nucleus

Which subatomic particle is found in the nucleus and has a positive charge?

• Proton

• Neutron

• Electron

• Photon

What do elements in the same group (column) of the periodic table have in common?

• Same number of protons

• Same number of neutrons

• Same number of electrons in the outer shell

• Same atomic mass

Why does the periodic table of elements have the shape it does?

• It is arranged by alphabetical order.

• It is organized by the year elements were discovered.

• It is structured based on atomic number and chemical properties.

• It is arranged by the density of elements.

Is an element in its purest form a compound?

• Yes, an element is a compound.

• No, an element is a mixture.

• Yes, an element is a solution.

• No, an element is a pure substance.

What is the center of an atom called?

• Electron cloud

• Proton field

• Neutron hub

• Nucleus

Is water in its purest form an element?

• Yes, water is an element.

• No, water is a compound.

• Yes, water is a mixture.

• No, water is a solution.

Who created the periodic table of elements?

• Isaac Newton

• Albert Einstein

• Dmitri Mendeleev

• Marie Curie

What is the smallest unit of an element that retains its properties?

• Atom

• Molecule

• Compound

• Particle

Which element is the most abundant in the Earth's crust?

• Oxygen

• Carbon

• Iron

• Silicon