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Salsk061 [2.6K]
2 years ago
7

Which pair of elements can form an ionic compound? A) Two atoms of hydrogen B) One atom of sodium and one atom of fluorine C) On

e atom of calcium and one atom of chlorine D) Two atoms of hydrogen and one atom of oxygen
Chemistry
2 answers:
polet [3.4K]2 years ago
5 0
The answer would be B. <span>One atom of sodium and one atom of fluorine</span>
lianna [129]2 years ago
4 0

Answer:

The correct option is B) One atom of sodium and one atom of fluorine.

Explanation:

An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion. In this way, the octet rule is fulfilled, which establishes that the atoms of the elements bind each other in the attempt to complete their valence layer, leaving the atom stable with 8 electrons in its last layer.

Given this, the correct option is option B). Sodium is a metal forming the cation and fluorine is a nonmetal, then it will form the anion.

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antiseptic1488 [7]

Answer:

a) 26.98

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3 0
2 years ago
If liquid water is exposed to normal atmospheric pressure, what needs to change in order to change its state of matter?
inn [45]

Answer: Option (b) is the correct answer.

Explanation:

State of a substance changes when heat is provided to a substance.

This is because when we heat water then intermoleclar forces present within its molecules tend to break down. Due to this molecules start to move away from each other.

As a result, kinetic energy of molecules increases and they collide rapidly. Hence, solid state of water changes into liquid state and upon excessive heating liquid state of water changes into vapor state.

Thus, we conclude that temperature of water needs to change in order to change its state of matter.

6 0
3 years ago
Read 2 more answers
You run an experiment in which two substances chemically react in a closed system. you run the same experiment in an open system
m_a_m_a [10]

If we run an experiment in which two substances chemically react in a closed system and then we run the same experiment in an open system, then the masses of the products in each experiment will be different because the open system allows the interchange of matter and energy with the media.

<h3>What is an open system?</h3>

An open system is an interrelated group pf parts that work together to interchange matter and energy with the surrounding environment, while a closed system does not generate an exchange of matter and energy.

Therefore, with this data, we can see that an open system interchange energy and matter with the environment, while closes systems do it.

Learn more about open systems here:

brainly.com/question/28891854

#SPJ1

6 0
1 year ago
Blank and blank are examples of solids
Ymorist [56]
A box and a laptop are both examples of solids


hope i helped:)
3 0
2 years ago
Which substance is a binary acid
Bumek [7]
<span>It is known that acids compounds contains hydrogen and produces hydrogen ion in water. A binary acid however is an acid that have two elements, one of the element has a hydrogen attached to it. Examples of binary acids are hydrogen fluoride (HF), hydrogen bromide (HBr) and hydrogen sulfide (H2S). In naming a binary acid, it has two rules; one, as pure compounds and two, as acid solutions. For pure compounds, start with the name ‘hydrogen’ and end the anion name with ‘-ide’. For acidic compounds, start with ‘hydro-‘, end the anion with ‘-ic’ and add ‘acid’.</span>
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3 years ago
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