Element/Symbol
Chemistry Concepts
Acids, Bases, & pH
100

The element with the highest percentage of body mass?

What is Oxygen

100

Define Matter

Anything that has mass & takes up space

100

0-7 on the pH scale is Acidic or Basic?

What is Acidic

200

The element for the symbol K

What is Potassium

200

Define Atom

What is smallest stable unit of matter?

200

pH =3 vs pH= 6

Which one is more acidic

What is pH 3 solution is 1,000times more acidic

10x10x10=1,000

300

The four elements that are most abundant in the body?

What is Oxygen, Carbon, Hydrogen, and Nitrogen

300

Positively charged ions are called

What is Cations

300

The lower the pH the higher the ____

What is [H+]?

400

The symbol Ca is what element

What is calcium

400

An attraction between a cation and an anion

What is ionic bond

400

Pure water is where on the scale

What is neutral or pH of 7?

500
What symbol is the element for Sodium

What is Na?

500

Electrons shared equally...

What is nonpolar covalent bond?
500

Rank the following from MOST hydrogen ions to LEAST hydrogen ions?

Bleach, Redblood cells, lemons, black coffee, household ammonia.

13, 7, 2, 5, 11