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3 years ago

Why are there groups, in the periodic table?

2 answers:

7 0

Groups help organize the elements. Elements of the same group have similar chemical qualities. So looking at an element’s group on the periodic table can help you identify some of it’s characteristics such it’s as reactivity with other elements or of it’s a good conductor.

zepelin [54]3 years ago

6 0

To classify the elements and make them easier to understand

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11) If you have a density of 100 kg/L,, tell me the following:

jenyasd209 [6]

The unit of mass is 'Kilogram' which is written as 'kg' and volume, v = 10 L.

<h3>Equation :</h3>

To calculate the volume

Use formula,

density = mass / volume

density = 100 kg/L

mass = 1000 kg

volume = mass / density

v = 1000/100

v = 10 L

<h3>What is density mass?</h3>

A substance, material, or object's mass density is a measure of how much mass (or how many particles) it has in relation to the volume it occupies.

To know more about volume :

brainly.com/question/1578538

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I understand the question you are looking for :

If you have a density of 100 kg/L, and a mass of 1000 units, tell me the following: First what are the mass units? Secondly, what is the volume?

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1 year ago

Plz help all chemist!

solmaris [256]

Answer:

D. bromine

Explanation:

Highest electronegativity in the period has element closest to the *A group

K Ca Cu Br

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3 years ago

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bekas [8.4K]

Answer:

high ph -basic,low pH -acidic

Explanation:

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3 years ago

A student has the following data recorded: final readings: 760. mm Hg, 6.0L, 197 'C. initial readings:

irina [24]

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3 years ago

Ammonia NH3 is a common ingredient. If you have a cleaning agent containing 3.47 mol NH3, how many grams of NH3 are in the clean

8090 [49]

NH3 has a Molar mass of 17g
3.47 * M(NH3) = 58.99g of NH3 in the cleaning agent

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3 years ago