FS- Ch4-Basic Food Chemistry: The Nature of Matter

What is the science that studies the composition, structure, properties, and changes of matter?

• Biology

• Chemistry

• Physics

• Astronomy

Fill in the blank: _______ is anything that occupies space and has mass.

• Matter

• Energy

• Light

• Sound

What is the smallest unit of an element, consisting of protons, neutrons, and electrons?

• Molecule

• Compound

• Atom

• Ion

What are subatomic particles?

• Particles smaller than an atom

• Molecules that form compounds

• Atoms that are part of a molecule

• Elements on the periodic table

What is the central part of an atom that contains protons and neutrons called?

• nucleus

• electron cloud

• valence shell

• atomic orbit

Which subatomic particle is positively charged and found in the nucleus of an atom?

• proton

• electron

• neutron

• quark

Which subatomic particle has no charge and is found in the nucleus of an atom?

• neutron

• proton

• electron

• positron

Fill in the blank: A negatively charged subatomic particle that orbits the nucleus of an atom is called an _________.

• Electron

• Proton

• Neutron

• Photon

Fill in the blank: A region in an atom where there is a high probability of finding electrons is called an _________.

• Orbital

• Nucleus

• Proton

• Neutron

Fill in the blank: A pure substance made of only one kind of atom is called an _________.

• Element

• Compound

• Mixture

• Solution