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NISA [10]
3 years ago
13

What does pH stand for? and how acidic is the soil after rainfall

Chemistry
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

Explanation:

In chemistry, pH  power of hydrogen or potential for hydrogen) is a scale used to specify how acidic or basic (or alkaline) a water-based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH.

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Oxygen is denoted as 16O8. How many protons and neutrons does an oxygen atom have?
MrRissso [65]
<span>Oxygen-16 atomic number is 8 so it has 8 protons. Its atomic weight is 16 so 16-8 = 8 neutrons.

Hope I helped. :) </span>
4 0
3 years ago
Read 2 more answers
Calcium must lose two electrons to get a full outer shell. what is the name of the group to which calcium belongs
11111nata11111 [884]
The answer to this question would be: alkaline earth metal

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Their neighbor is the alkali metal which was the first column of the periodic table. The name is similar so don't confused and mix them each other.
4 0
4 years ago
How does scientific notation differ from ordinary notation?
katen-ka-za [31]

Answer:     Scientific notation is used to express very large or very small numbers. ... Scientific notation numbers may be written in different forms. The number 6 x 109 could also be written as 6e +9. The + 9 indicates that the decimal point would be moved 9 places to the right to write the number in standard form

Explanation: i hope it is helpful

6 0
4 years ago
Why Mg ion +2 is smaller than Mg ion ​+1 ?
Bezzdna [24]

Answer:

Rise in charge reduced the size due to rise in attraction between electron and nucleus.

Explanation:

Ion of magnesium is smaller than the atom of magnesium. As the nuclear charge increases, the attraction of electron to the nucleus increases in charged ions form of any element. Due to this increase in charge of magnesium ion,  the size of ion reduces

No. of electrons in Mg = 12

No. of proton in Mg = 12

Where as

No. of electrons in Mg2+ = 12

No. of proton in Mg2+ = 10

6 0
3 years ago
What are three ways fluid flow is important in the food industry?
yarga [219]
Viscosity measurements are used in the food industry to maximize production efficiency and cost effectiveness. It affects the rate at which a product travels through a pipe, how long it takes to set or dry, and the time it takes to dispense the fluid into packaging.
8 0
3 years ago
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