Quiz on Atomic Structure and Properties

What does the atomic number of an element represent?

• Number of neutrons

• Number of protons and electrons

• Number of valence electrons

• Number of energy levels

What are valence electrons?

• Electrons in the innermost energy level

• Electrons in the outermost energy level

• Electrons that are shared between atoms

• Electrons that are lost during reactions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which elements have properties of both metals and nonmetals?

• Nonmetals

• Noble Gases

• Metalloids

• Transition Metals

Which of the following is a physical property of matter?

• Flammability

• Combines with oxygen

• Density

• Reactivity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does a chemical property indicate?

• The color of a substance

• How a substance reacts with something else

• The texture of a substance

• The mass of a substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the main difference between endothermic and exothermic reactions?

• Endothermic reactions release energy, while exothermic reactions absorb energy.

• Endothermic reactions absorb energy, while exothermic reactions release energy.

• Both endothermic and exothermic reactions release energy.

• Both endothermic and exothermic reactions absorb energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of bond is formed by the transfer (giving or taking) of electrons?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Which of the following is a compound?

• Oxygen (O₂)

• Sodium (Na)

• Glucose (C₆H₁₂O₆)

• Mercury (Hg)

Tags

NGSS.MS-PS1-1

What is formed when metals react with nonmetals?

• Covalent compounds

• Ionic compounds

• Metallic compounds

• Hydrogen compounds

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a covalent bond?

• A bond formed by the transfer of electrons

• A bond formed by the sharing of electrons

• A bond formed by the exchange of protons

• A bond formed by the sharing of protons

Tags

NGSS.HS-PS1-1