Elements, Compounds, and Mixtures Quiz

What is an element?

• A substance made up of multiple types of atoms.

• A combination of different substances.

• A liquid state of matter.

• A substance made up of only one type of atom.

Name one property of elements.

• Atomic number

• Density

• Boiling point

• Color

How many elements are there in the periodic table?

• 118

• 63

• 92

• 150

What is the smallest unit of an element?

• atom

• cell

• molecule

• proton

Can elements be broken down into simpler substances?

• Only in certain conditions

• Sometimes

• Yes

• No

What are some examples of elements?

• Oxygen, carbon, hydrogen, iron

• Sodium, potassium, calcium, magnesium

• Water, salt, sugar, vinegar

• Nitrogen, helium, gold, silver

What is the atomic number of an element?

• Number of electrons

• Number of protons

• Number of isotopes

• Number of neutrons

What is the symbol used to represent an element?

• Numeric symbol

• Alphabet symbol

• Letter symbol

• Chemical symbol

What are some common properties of elements?

• Number of protons, number of neutrons, and number of electrons

• Boiling point, melting point, and density

• Color, texture, and shape

• Atomic number, atomic mass, and chemical reactivity

How are elements different from compounds and mixtures?

• Elements are made up of two or more different types of atoms chemically bonded together, compounds are made up of only one type of atom, and mixtures are pure substances made up of only one type of atom.

• Elements are made up of two or more different types of atoms chemically bonded together, compounds are pure substances made up of only one type of atom, and mixtures are made up of only one type of atom.

• Elements are made up of two or more substances physically mixed together, compounds are pure substances made up of only one type of atom, and mixtures are made up of two or more different types of atoms chemically bonded together.

• Elements are pure substances made up of only one type of atom, compounds are made up of two or more different types of atoms chemically bonded together, and mixtures are made up of two or more substances physically mixed together.