Compounds & Mixtures - Cornell Notes

Question 1

True or False?

Compounds have similar physical and chemical properties to their individual elements.

Answer 1

False

Question 2

Electrons ready to bond are called

Answer 2

Valence electrons

Question 3

Formed when one or more electrons are transferred from one atom to another

Answer 3

Ionic bond

Question 4

When an element loses an electron, it becomes

Answer 4

Positively charged

Question 5

When an element gains an electron, it becomes

Answer 5

Negatively charged

Question 6

The attraction between two oppositely charged ions

Answer 6

Ionic bond

Question 7

Positively and negatively charged atoms

Answer 7

Ions

Question 8

Occur when electrons are shared by atoms

Answer 8

Covalent bond

Question 9

Nonmetal + Nonmetal =

Answer 9

Covalent bond

Question 10

Metal + Nonmetal =

Answer 10

Ionic bond

Question 11

In a Louis Dot Diagram, shared electrons are represented by a(n)

Answer 11

Dash

Question 12

The structure that forms when atoms are joined by covalent bonds

Answer 12

Molecule

Question 13

Intermolecular forces of attraction that occur between oppositely charged regions of nearby molecules

Answer 13

Van der Waals forces

Question 14

The universal solvent

Answer 14

Water

Question 15

Why is water the universal solvent?

Answer 15

Its polarity gives it the ability to dissolve both ionic and other polar molecules (due to like charges)