Atoms and Molecules

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms

What is the term for combining 2 or more atoms together?

• atoms
• elements
• molecules
• compounds

All matter is made of what

• energy

• atoms

• electrons

• compounds

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

The central region of an atom where its neutrons and protons are is called it's __________ .

• nucleus

• electron cloud

• core

• center

How would O2 be qualified. Check all answers that apply.

• Atom

• Molecule

• Compound

What are atoms composed of?

• Protons and electrons.

• Protons, neutrons, and electrons.

• Neutrons and electrons.

• Ions, elements, and compounds.

Atomicity is ......

• the number of atoms present in an element.

• the number of atoms present in a molecule.

• atomic mass

• none of the above

The bonding capacity of an element is called......

• Atomic number

• Atomic Mass Unit

• Molecular mass

• Valency