Chemistry Quiz: Atoms, Elements, and Compounds

What is the definition of an element?

• Two or more elements not chemically bonded together

• A group of atoms that share the same number of protons

• Two or more elements chemically bonded together

• A group of atoms with different number of protons

What is the purpose of neutrons in the nucleus of an atom?

• To form chemical bonds

• To repel protons

• To carry electrical charge

• To hold the nucleus together

What is the Proton Number also known as?

• Atomic Mass

• Atomic Number

• Nucleon Number

• Mass Number

Tags

NGSS.HS-PS1-8

What is the electronic configuration of Group VIII noble gases?

• 2.8.2

• 2.8.4

• 2.8.6

• 2.8.8

Tags

NGSS.HS-PS1-1

What are isotopes of an element?

• Atoms with different number of protons and electrons

• Atoms with different number of protons but same number of neutrons

• Atoms with same number of protons but different number of electrons

• Atoms with same number of protons but different number of neutrons

How are relative atomic masses of elements calculated?

• By using the mass number only

• By counting the number of protons and neutrons

• By using the atomic number only

• By using the abundance of naturally occurring isotopes

What is the type of bond formed between metals and non-metals?

• Hydrogen Bond

• Metallic Bond

• Ionic Bond

• Covalent Bond

What is the general electronic configuration of a covalent compound?

• 2.8.8

• 2.8.6

• 2.8.2

• 2.8.4

What is the structure of diamond?

• Joined with four other carbon atoms

• Layers of hexagonal rings

• Rigid tetrahedral structure

• Joined with three other carbon atoms

What property allows metallic bonds to be hammered into shapes?

• High melting and boiling point

• Good electrical conductivity

• Malleability

• Ductility