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kati45 [8]
3 years ago
13

Is sodium hydroxide an elementary substance or a compound?

Chemistry
1 answer:
mixer [17]3 years ago
7 0

Answer:Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound

Explanation:

It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−

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identify the postulate of Dalton's theory that is violated by the following observations: 59.95% of one sample of titanium dioxi
Inga [223]

<u>Answer:</u> This violates the law of constant composition.

<u>Explanation:</u>

Dalton's theory is based on mainly two laws, which are law of conservation of mass and law of constant composition.

Law of constant composition states that a compound always contain the elements in the fixed ratio by their masses.

For Example: In water (H_2O), the hydrogen and oxygen are present in the fixed ratio of 1 : 9 by their mass.

We are given:

A sample of titanium dioxide having 59.95 % of titanium and another sample of titanium dioxide having 60.10 % of titanium.

As, the compound is titanium dioxide. So, the mass percent of titanium must remain the same in both the elements.

Hence, this violates the law of constant composition.

8 0
4 years ago
Which element in the periodic table has the greatest electronegativity?
KengaRu [80]
F (Fluorine) has the highest electronegativity with a value of 4.0
7 0
3 years ago
Tony recorded data from his chemistry experiment in the following table. Sample Color Volume Temperature Mass A yellow 150 mL 20
siniylev [52]

Color

Explanation:

Only color out of the listed observations is the qualitative observation. Qualitative observations are usually carried out using our senses.

  • Sense of touch makes us feel the texture of particular subject.
  • Sense of smell gives different types of scents and odors.
  • Sense of sight helps us to identify different colors and appearances in a study.
  • Sense of taste helps to know if something is bitter, sweet or sour.
  • Sense of hearing helps to know how audible something it.

Qualitative observations does not involve the use of numbers.

Learn more:

observations brainly.com/question/5096428

#learnwithBrainly

6 0
3 years ago
How are a fact and a theory similar
Serhud [2]

Answer: A butterfly population includes both green and yellow butterflies, and a predator sees yellow more easily than it does green" would lead to evolution since the green ones would live on.

Explanation:

7 0
3 years ago
What Element is this?<br> Protons 8<br> Neutrons 8<br> Electrons 10<br> Is it neutral or an ion?
Dmitry [639]

Answer:

ion

Explanation:

As it has 2 more electrons them  protons

4 0
3 years ago
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