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3 years ago

I really have no idea what to do here sorry. Help please.

Chemistry

1 answer:

horrorfan [7]3 years ago

5 0

1. An ion is a charged atom. A molecule is a neutrally-charged combination of atoms.

2. A molecule is a combination of atoms. It can consist of atoms from one or more elements. For example, an oxygen molecule comprises two oxygen atoms. A compound is a substance made up of a combination of atoms of different elements. For example, water is a compound of hydrogen and oxygen.

3. An electron dot diagram is a simple way of representing the bond and electronic structure of molecules. A formula is a written representation of the types and numbers of atoms in a molecule.

4. As above...a formula denotes which atoms are in a molecule and how many. For example, H2SO4 tells us there are two hydrogen atoms, one sulfur atom and four oxygen atoms in each molecule of sulfuric acid.

5. An ionic bond is a type of chemical bond that stems from electrostatic attraction between ions with opposite charges. A covalent bond is another type of chemical bond that involves sharing of electrons between atoms in order to achieve a stable electronic structure for the molecule as a whole.

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Which element is humus especially rich in?<br>oxygen <br>carbon <br>nitrogen <br>or tungsten

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Answer:

Carbon

Explanation:

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3 years ago

The technology in the picture produces which energy conversion

BARSIC [14]

D) kinetinc to electric

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3 years ago

Read 2 more answers

How do scientists classify intrusive igneous features? according to shape, texture, and their distance from the nearest volcanic

Nataliya [291]

according to shape, size, and their relationship to surrounding layers of rock

Explanation:

Scientists classify intrusive features according to their shape, size and relationship to surrounding layers of rocks.

Intrusive igneous features are the sills, di/kes, batholith, laccoiith, lopolith e.t.c

When magma cools and solidifies within the earth crust, they form intrusive igneous rocks.
Intrusive igneous rocks differs from one another in their shape, size and relationship to surrounding rocks.
For example, batholith is a large intrusive body that extends for several kilometers in the earth surface.
Sills and di/kes are smaller bodies. Sills forms parallel to orientation of rocks in an area. Di/kes are known to cut across the orientation.

Learn more:

Sedimentary rocks brainly.com/question/2740663

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6 0

3 years ago

Give the name of the following molecule. A compound with a total of six carbons with a double bond and the rest single bonds. Th

AlekseyPX

Answer:
The name of given molecule is 3-Methylpent-2-ene.

Explanation:
First of all a carbon chain of five carbons was drawn. Then a double bond was made between carbon 3 and 4 (starting from left). A methyl group was drawn at middle carbon which is at position 3.

Molecule sketched was named as,

1) A longest chain containing double bond was selected and numbering was started from the end closest to double bond. Hence,

2-Pentene or Pent-2-ene

2) The position of substituent was specified before the parent name, Hence,

3-Methyl-2-Pentene or 3-Methylpent-2-ene

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3 years ago

What can scientists measure to provide evidence that electrons can move from one energy level to another

andrey2020 [161]

Answer:

recording the wavelength of light

Explanation:

When an appropriate measure of energy say in the form of light of a certain wavelength, is supplied, electrons have a tendency to absorb the energy and get excited to a higher energy level. Conversely, if an electron is already at a higher energy state it will emit energy in the form of light (or heat) and return to a more stable lower energy state.

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3 years ago