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My name is Ann [436]
3 years ago
5

Phosphorus and fluorine form a covalent compound, phosphorus trifluoride.

Chemistry
1 answer:
Nesterboy [21]3 years ago
8 0

Answer:

Valence electrons

Explanation:

The formation of phosphorus trifluoride is orchestrated by the sharing of the valence electrons between phosphorus and fluorine.

This is called covalent bonding. In covalent bonding, elements with zero or very small electronegativity combines together. Such bonding occurs between non-metals.

For this bond to form, phosphorous shares its 5 electrons with the 3 of the fluorine.

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Which statements describe the six elements found in all living things? Check all that apply.
vovangra [49]

Answer:

Carbon is the basis of all living things

Nitrogen is found in certain foods

Oxygen and hydrogen combine with each other to form water

Carbon, oxygen, hydrogen, nitrogen, phosphorus and sulfur are found in organic compounds

Explanation:

We are all made up of mainly three elements, Carbon, Hydrogen, and Oxygen. These three elements are found in every living organism on our planet, and along with a few trace elements, they make up all the nutrients we take in and use to build our bodies and survive.

Nitrogen is primarily found in meats, and this is because nitrogen is a key element in amino acids (which are used to build proteins), however we cannot directly assimilate nitrogen from the air, so we have to assimilate it through amino acids already synthesized in plants, or in proteins found in meat.

The chemical formula for water is H₂O. Seeing the chemical formula, it is obvious that hydrogen and oxygen are the only elements in the water molecule.

In our bodies, we use phosphorus to form our skeleton and help maintain it, sulfur and nitrogen can be found in some amino acids, and carbon, hydrogen and oxygen can be found in carbohydrates, lipids and proteins.

3 0
3 years ago
Read 2 more answers
4) What is the order of the energy pyramid.?
bazaltina [42]
Each step of the food chain in the energy pyramid is called a trophic level. Plants or other photosynthetic organisms (autotrophs) are found on the first trophic level, at the bottom of the pyramid. The next level will be the herbivores, and then the carnivores that eat the herbivores.
4 0
3 years ago
Determine the mass of the following.
Luba_88 [7]

Answer:

a ) 1876.14 grams CaBr2

b ) 19.78 grams N2

sorry..i only have time to do the first two :)

Explanation:

5 0
3 years ago
Finding number of atoms 9H2SO4
Molodets [167]

Explanation:

23 are the number of atoms

7 0
3 years ago
What is the difference between the grassland and savanna biomes?
goblinko [34]

Answer:

C)Grassland biomes contain mostly grasses.

Explanation:

The main differences between a savanna biome and a grassland is that grasslands biomes contain mostly grasses.

Savanna are made up of both grasses and shrubs.

  • Savanna are a mix of grasslands with some scattered trees in the area.
  • Grasslands are open grass fields.
  • They do not contain much trees as such.
  • The savanna and grasslands are renowned for their fauna diversity of beasts.  
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3 years ago
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