Exploring Atomic Structure

What is an atom?

• An atom is the smallest unit of matter that retains the properties of an element.

• An atom is a type of molecule.

• An atom is a form of energy that can be harnessed.

• An atom is a large particle made of protons and neutrons.

What are molecules made of?

• Molecules are made of atoms.

• Molecules are made of compounds.

• Molecules are made of cells.

• Molecules are made of elements.

How many protons are in a hydrogen atom?

• 2

• 0

• 1

• 3

What is the smallest unit of an element?

• molecule

• compound

• ion

• atom

What do we call a group of atoms bonded together?

• Element

• Compound

• Ion

• Molecule

What is the charge of a neutron?

• 0

• +1

• +2

• -1

What is the center of an atom called?

• proton

• electron

• nucleus

• core

How do atoms combine to form molecules?

• Atoms can only combine in solid states.

• Atoms combine by undergoing nuclear fusion.

• Atoms combine to form molecules by forming chemical bonds, either covalent or ionic.

• Atoms combine by exchanging electrons without forming bonds.

What is the difference between an atom and a molecule?

• An atom is a single unit of an element, while a molecule is a group of two or more atoms bonded together.

• Molecules are always larger than atoms and contain only one type of atom.

• Atoms can exist independently, but molecules cannot.

• An atom is a group of molecules, while a molecule is a single element.

Can you name a common molecule found in water?

• H2O2

• H2O

• NaCl

• CO2