3 years ago

Which properties of matter are independent of the amount of the material?

1 answer:

3 0

Physical properties can be observed or measured without changing the composition of matter. These are properties such as mass, weight, volume, and density. Remember that density is a physical property.

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What is the type of weak bond between the hydrogen of one molecule and the nitrogen of another molecule, where the two don't act

Aliun [14]

<h2>Hydrogen Bonding</h2>

Explanation:

Hydrogen bonding is a type of weak bond.
Hydrogen Bonding occurs when the hydrogen atom of one molecule is bonded with a molecule of high electronegativity element like nitrogen of another molecule.
It is a type of dipole-dipole interations.
The nitrogen is a highly electronegative element that forms a weak bond with the hydrogen atom of another molecule with dipole-dipole interaction.
Hydrogen bonds are weaker than covalent and ionic bonds.
Therefore the type of bond is Hydrogen bond.

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3 years ago

Which element is being represented by the electron configuration below? [Ar] 4s2 3d3

Nina [5.8K]

Answer:
chromium (Cr)

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2 years ago

I don't really understand this worksheet question.

Citrus2011 [14]

25/2 and 96/X
CROSS MULTIPLY.

2x=2,400.
divide by 2.
x=1,200.

you take the GIVEN MASS of an element, and you put it on top, the coefficient is what it’s over. i believe this is right

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3 years ago

How many litres of 15% (mass/ volume) copper sulphate solution

givi [52]

Take 15/100 X 75 = The answer

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2 years ago

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What type of resource are fossil fuels such as coal, oil, and natural gas?

alex41 [277]

They are non-renewable resources that formed when prehistoric plants and animals died and were gradually buried by layers of rock.

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2 years ago