what is the second major source of elements in seawater?


What Is The Second Major Source Of Elements In Seawater??

What is the second major source of elements found in seawater? From earths interior through volcanic eruptions. The oceans surface water termperature varies with the amount of solar radiation received, which is primaril a function of latitude.

What are the 2 sources of the elements in seawater?

Two of the most prevalent ions in seawater are chloride and sodium. Together, they make up around 85 percent of all dissolved ions in the ocean. Magnesium and sulfate make up another 10 percent of the total.

What are the top 5 elements in seawater?

Chemical and physical properties of seawater

An explanation of why seawater is salty. The six most abundant ions of seawater are chloride (Cl−), sodium (Na+), sulfate (SO24−), magnesium (Mg2+), calcium (Ca2+), and potassium (K+). By weight these ions make up about 99 percent of all sea salts.

What are the elements present in seawater?


Sodium 23 10561
Magnesium 24.3 1272
Sulfur 32 884
Calcium 40 400

What is the most common element found in seawater?

Hydrogen and oxygen make up most of seawater. These elements make up the water molecule and parts of other compounds and are so abundant they are considered to be in their own category.

What is the second most abundant element in the Earth’s water?

A: Oxygen, which composes about 49.5% of the total mass of the Earth’s crust, waters and atmosphere, according to the textbook “Modern Chemistry.” Silicon is second at 28%. Aluminum is a distant third, at only 8%.

What are the two 2 most common compounds in Earth’s oceans?

The composition of Earth’s oceans varies from place to place. Since the oceans are mostly water, the elements hydrogen and oxygen are the most common. Sodium and chlorine are found in the salt in ocean water.

What are the two elements that make up most of the salt in ocean water?

The two ions that are present most often in seawater are chloride and sodium. These two make up over 90% of all dissolved ions in seawater. By the way, the concentration of salt in seawater (salinity) is about 35 parts per thousand.

Which 2 elements are the most common in Earth’s crust?

Look at the properties of Oxygen and Silicon – the two most abundant elements in the Earth’s crust – by clicking on their symbols on the Periodic Table.

What are the 2 elements used to create salt?

Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl). Neither element occurs separately and free in nature, but are found bound together as the compound sodium chloride.

How many elements are there in seawater?

Forty-four elements are listed in table 36, and if we add hydrogen, oxygen, and the inert gases neon, helium, and argon, we obtain a total of forty-nine elements that are known to occur in sea water.

Elements Present in Sea Water.


mg-atoms/L Cl = 19.00

Atomic weight (1940)

1/atomic weight


What are the sources of salt in ocean water?

Salt in the sea, or ocean salinity, is mainly caused by rain washing mineral ions from the land into water. Carbon dioxide in the air dissolves into rainwater, making it slightly acidic. When rain falls, it weathers rocks, releasing mineral salts that separate into ions.

How many elements make up most of the ocean?

The most abundant elements in the ocean by proportion of mass in percent are oxygen (85.84%), hydrogen (10.82%), chlorine (1.94%), sodium (1.08%), magnesium (0.13%), sulfur (0.09%), calcium (0.04%), potassium (0.04%), bromine (0.007%), carbon (0.003%), and boron (0.0004%).

What are the two primary sources for the dissolved salt and other substances in the oceans?

Most of the elements that form sea salts come from three main sources—volcanic eruptions, chemical weathering of rock on land, and chemical reactions between sea water and newly formed sea-floor rocks. Each year, rivers carry about 400 billion kilograms of dissolved solids into the ocean.

Which is the second most abundant element in the atmosphere?


The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas Argon (Ar) is the third most abundant gas at . 93%.

Which is the second most abundant elements in the universe?

Helium is the second most abundant element in the universe .

What is the second most abundant element in the human body?


Carbon is the second most abundant element in the human body, accounting for 18% of body weight.

Which element is most common dissolved in seawater quizlet?

Cl- represents 55% of the dissolved component in seawater.

Which of the following elements is most abundant in seawater?

  • Salinity in seawater is mainly due to presence of sodium chloride. Abundant element in the seawater is chloride and constitutes 1.94% of all the constituents.
  • Chloride is followed by sodium which constitutes 1.08%, potassium 0.04% and minute quantities of iodine.

What are the primary sources for the elements that comprise the dissolved components in seawater?

What are the two primary sources for the elements that comprise the dissolved components in seawater? Chemical weathering and from the Earth’s interior (volcanic eruptions). List several factors that cause salinity to vary from place to place and from time to time.

What did Earth’s second atmosphere form from?

Earth’s second atmosphere, 2.5 billion years ago, was formed when Earth’s crust started to cool down and the amount of water vapor in the atmosphere decreased, as water started condensing in liquid form.

What are the two most abundant elements in Earth’s crust quizlet?

silicon and oxygen are the two most abundant elements in Earth’s crust, and they form an extremely strong bond.

What two elements are found within the cores?

The Earth’s core is mainly made of iron and nickel.

How is the salt formed?

salt, in chemistry, substance produced by the reaction of an acid with a base. A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid. The reaction between an acid and a base is called a neutralization reaction.

How is salt made?

Salt is processed from salt mines, and by the evaporation of seawater (sea salt) and mineral-rich spring water in shallow pools. … Edible salt is sold in forms such as sea salt and table salt which usually contains an anti-caking agent and may be iodised to prevent iodine deficiency.

What is sodium element used for?

Sodium is used in the production of titanium, sodamide, sodium cyanide, sodium peroxide, and sodium hydride. Liquid sodium has been used as a coolant for nuclear reactors. Sodium vapor is used in streetlights and produces a brilliant yellow light. Sodium also forms many useful compounds.

What are the sources of salt in ocean water quizlet?

Terms in this set (19)

the salt in sea water is sodium chloride common table salt. Chemical weathering of rocks on the continent is one source of elements found in seawater. The second major source of elements found in seawater is from earth interior.

What type of salt is in water?

As water evaporates from seawater, the salinity of the remaining solution increases. Different salts become insoluble at different salinities.

SF Table 2.1.

Salt Compound




NaCl (sodium chloride or halite)
Image courtesy of NASA
Insoluble at 90% evaporation (≈130 ppt)

What is the most abundant salt in the sea?

Sodium Chloride (NaCl)

Complete answer: The most abundant salt found in seawater is Sodium Chloride (NaCl), a salt which we use in food. Sodium Chloride dissolves in water into its ions, which are present at much higher levels than components of any other salt.

What are two natural processes that increase the salinity of seawater?

Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these “salinity raising” factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.

What is the second most common element in the world?

Carbon is the second-most abundant element, making up 18% of the body. Although you have more hydrogen atoms than any other type of element, the mass of a hydrogen atom is so much less than that of the other elements that its abundance comes in third at 10% by mass.

What is the most abundant element in the core?


The vibrational spectrum of iron, the most abundant element in Earth’s core, at 171 gigapascals. By squeezing iron between two diamond anvils (inset), Caltech researchers reproduced the pressures found in Earth’s core.

What is the most abundant element in the atmosphere can also be found in?

The most abundant element in the atmosphere Nitrogen can be found in Beans and Whey protein. Beans and Whey protein are made up of Proteins which have nitrogen as the basic element.

What is the second element in chemistry?


1 H hydrogen
2 He helium
3 Li lithium
4 Be beryllium

021 Properties of sea water (ES)

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