Ph and Elements

Question 1

Chemistry Review: Positive or Negative

Answer 1

H+1, Na+1, K+1, Mg+2, Ca+2, Al+3, O-2, Cl-1, Si+4

Question 2

Isomorphic Substitution

Answer 2

Atoms with lesser charge fills place of another similar physical size

Question 3

What charge does clay have?

Answer 3

Negative

Question 4

What is the earth’s crust made of?

Answer 4

Oxygen: 60%, Silicon: 20%, Aluminum: 6%

Question 5

How many sides does a tetranedral have? and what’s the shape?

Answer 5

4 sides, triangle (be able to draw it)

Question 6

CEC

Answer 6

Cation exchange capacity: number of negative charged spaces in soil, like parking spaces

Question 7

What is Kaolinite ratio?

Answer 7

1:1 Tetrahdral : Octanedral

Question 8

what is the ideal soil Ph?

Answer 8

6.5-7

Question 9

What is another word for basic in soil?

Answer 9

Alkaline

Question 10

what is the Ph equation?

Answer 10

Ph=-log[H+]

Question 11

what do you need to add to the soil if the soil is acidic?

Answer 11

add lime, that has a Ph of 8.3

Question 12

what do you need to add to the soil if the soil is basic?

Answer 12

add sulfur

Question 13

what number is neutral on the Ph scale? what is an example that is neutral?

Answer 13

7, an example is blood