Unit 6 Review

The smallest unit of matter that cannot be broken down chemically is...

• Atom
• Cell
• Tissue
• Cellular

In an atom, protons have a _________ charge. 

• Positive
• Negative
• Neutral

In an atom, electrons have a _________ charge. 

• Positive
• Negative
• Neutral

In an atom, neutrons have a _________ charge. 

• Positive
• Negative
• Neutral

In a ____________ bond, atoms are sharing electrons. 

• Covalent
• Ionic
• Hydrogen

True or false: the electrons in a Polar molecules are evenly distributed

• True
• False

Hydrogen bonds are...

• Weak
• Strong

In a water molecule, the oxygen is ______________. 

• Negative
• Positive
• Neutral

In a water molecule, the hydrogen is ___________________. 

• Negative
• Positive
• Neutral

They bond that attracts the oxygen from a water molecule to the hydrogen of another water molecule is called....

• Covalent bond
• Ionic bond
• Hydrogen bond