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2 years ago

What contains elements with similar properties in the periodic table?

Chemistry

2 answers:

evablogger [386]2 years ago

8 0

<h2>Answer:</h2>

<u>A) A column</u> contains elements with properties which are similar in periodic table.

<h2>Explanation:</h2>

The vertical section (column) in the periodic table has the similar type of chemical behavior so they are also called as groups or families. The electronic configuration gives the chemical description of the compound.

The chemical compounds in these families have the number of valence electron which is same in the outer cell hence, showing the same chemical properties. Halogens and Nobel gases are the groups of periodic table.

Nataly [62]2 years ago

6 0

A) a column

example: earth alkaline metals

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Two molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product.

maksim [4K]

Answer:

A = 2A + 3B → 5C

Explanation:

The two molecule of A and three molecules of B will react to form the five molecules of C.

2A + 3B → 5C

Other options are incorrect because,

B = A₂ + B₃ → C₅

in this reaction one molecule of A₂ and one molecule of B₃ combine to form one molecule of C₅.

C = 2A + 5B → 3C

in this reaction two molecules of A and five molecules of B combine to form three molecule of C.

D = A₂ + B₃ → C₃

in this reaction one molecule of A₂ and one molecule of B₃ combine to from one molecule of C₃.

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2 years ago

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AnnyKZ [126]

Answer:

Sodium

Explanation:

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2 years ago

Find the equation of the line passing through the points (2, 1) and (5, 10).

Vedmedyk [2.9K]

The equation : y=3x-5

<h3>Further explanation </h3>

Straight-line equations are mathematical equations that are described in the plane of cartesian coordinates

General formula

y-y1 = m(x-x1)

y = mx + c

Where

m = straight-line gradient which is the slope of the line

x1, y1 = the Cartesian coordinate that is crossed by the line

c = constant

The formula for a gradient (m) between 2 points in a line

m = Δy / Δx

Gradient

$\tt \dfrac{10-1}{5-2}=3$

Equation

$\tt y-1=3(x-2)\\\\y-1=3x-6\\\\y=3x-5$

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2 years ago

What is quantitative and qualitative

jenyasd209 [6]

Quantitative is a description in numbers , and qualitative is a description with words

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2 years ago

Can i has help?

Lerok [7]

Answer:

water, lead, and wood

Explanation:

All are correct on Edg 2020

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2 years ago

Read 2 more answers