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jarptica [38.1K]
4 years ago
13

To determine whether something is solid all or inside of a we must look at the anions which are the _______charges at the back o

f the compound. In addition we will also have to look at the cactions which are the _______ charges at the front of the compound ​
Chemistry
1 answer:
ArbitrLikvidat [17]4 years ago
6 0

Answer:

Negative; positive

Explanation:

Whenever we have an ionic substance, by convention, we firstly write a symbol of a metal we have. Metals tend to lose their electrons to make ionic compounds and become positively charged species, also known as cations.

Similarly, the metal cation in an ionic substance is followed by a nonmetal. Nonmetal atoms tend to gain the electrons lost by the metals in order to become negatively charged species, also known as anions.

That said, at the front of the compound we have a cation with the positive charge and at the back of the compound we have an anion with the negative charge.

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A 18.77 g sample of a compound contains 5.99 g of potassium, K, 5.43 g of chlorine, Cl, and oxygen, O. Calculate the empirical f
evablogger [386]

The empirical formula of the compound is KClO₃.

<h3>Empirical formula </h3>

This is the simplest structural formula a compound can have.

The given mass of the elements;

potassium, K = 5.99 g

chlorine, Cl = 5.43 g

oxygen, O = 18.77 g - (5.99 + 5.43)g = 7.35 g

The empirical formula of the compound is calculated as follows;

K: \ \ \frac{5.99}{39} = 0.15 \\\\Cl: \ \ \frac{5.43}{35.5} = 0.15\\\\O: \ \ \frac{7.35}{16} = 0.46

<em>Divide through by the smallest fraction;</em>

K: \ \frac{0.15}{0.15} = 1\\\\Cl: \ \frac{0.15}{0.15} =1 \\\\O: \ \frac{0.46}{0.15} = 3

empirical formula = KClO₃

Learn more about empirical formula here: brainly.com/question/1603500

7 0
3 years ago
Which pair of elements are the most similar? A. Ca and F B. Na and Cl C. Ne and Ar D. K and Ca
Vinil7 [7]

Answer:

c

Explanation:

8 0
3 years ago
Write 0.006 in exponential form​
Solnce55 [7]

\huge\pink{Answer}

0.0006 in scientific notation is 6 × 10-4

<h2>Step by step Explanation:</h2>

All numbers in scientific notation or standard form are written in the form

m × 10n, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

To convert 0.0006 into scientific notation, follow these steps:

Move the decimal 4 times to right in the number so that the resulting number, m = 6, is greater than or equal to 1 but less than 10

Since we moved the decimal to the right the exponent n is negative

n = -4

Write in the scientific notation form m × 10n

= 6 × 10-4

Therefore,

6 × 10-4 is the scientific notation form of 0.0006 number and 6e-4 is the scientific e-notation form for 0.0006

<h2>HOPE IT HELPS ☺️</h2>
7 0
4 years ago
Brainlist for best answer!!! <br> Why will the whole ecosystem be affected by just one change?
Naddika [18.5K]

Answer:

Critical coordinate drivers incorporate living space alter, climate alter, obtrusive species, over exploitation, and contamination. Most of the coordinate drivers of corruption in biological systems and biodiversity right now stay steady or are developing in escalated in most biological systems.

Explanation:

7 0
3 years ago
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How many cm3 are there in 0.25 dm3?
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250cm3 i think im not sure about it though
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