Quiz on Atoms and Elements

What are the building blocks of elements?

• Molecules

• Atoms

• Compounds

• Mixtures

What is the charge of an atom?

• Positive

• Negative

• Neutral

• Variable

What must be equal in a neutral atom?

• Protons and neutrons

• Electrons and neutrons

• Protons and electrons

• Neutrons and electrons

What do atoms of the same element have in common?

• Same number of neutrons

• Same number of electrons

• Same number of protons

• Same mass

Where are protons and neutrons located in an atom?

• In the electron shells

• In the nucleus

• In the outer orbitals

• In the atomic cloud

What is the formula for the mass of an atom?

• Mass = # protons + # electrons

• Mass = # neutrons + # electrons

• Mass = # protons + # neutrons

• Mass = # electrons + # protons + # neutrons

Why do noble gases not bond with other atoms?

• A) They are highly reactive

• B) They are monatomic and stable

• C) They have incomplete outer shells

• D) They form complex molecules

What is the reason most atoms form groupings with other atoms?

• A) To become unstable

• B) To lose electrons

• C) To form molecules

• D) To exist as single atoms

What allows atoms to gain, lose, or share electrons to form bonds?

• A) Full outer shell

• B) Electron configuration

• C) Lack of protons

• D) High atomic number

What type of bonding occurs between metal atoms?

• Ionic bonding

• Covalent bonding

• Metallic bonding

• Hydrogen bonding