Properties of Water

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

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

• Negatrons 
• Electrons 
• Neutrons 
• Protons 

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

The particles that are found in the nucleus of an atom are _____.

• Neutrons and electrons
• Electrons only
• Protons and neutrons
• Protons and electrons

This is the smallest unit of an element.

• atom

• molecule

• compound

• nucleus

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

A molecule is

• two or more atoms chemically stuck together

• one type of atom just hanging out together

• smaller than an atom

How do covalent bonds form?

• by sharing electrons between atoms

• by donating or receiving electrons

How are ionic bonds formed?

• transfer of electrons

• sharing of electrons

Molecules that stick to the same type of molecules.

• cohesion

• adhesion

• hydrophilic

• hydrophobic