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NARA [144]
3 years ago
5

The indicator phenolphthalein is added to the _____________.

Chemistry
1 answer:
klasskru [66]3 years ago
6 0

Answer:

A

Explanation:

I took the test

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How many grams of hydrogen gas would be produced from the use of 9.5 moles of aluminum
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Answer:

Identify one disadvantage to each of the following models of electron configuration:

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Explanation:

Identify one disadvantage to each of the following models of electron configuration:

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Which best describes electromagnetic waves moving from gamma rays to radio waves along the electromagnetic spectrum?
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When a wave is moving from gamma rays to radio waves, this means that the frequency is decreasing whereas the wavelength is increasing in value.Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
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Please help!!!!
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Answer:

When an atom gains or loses energy, the  energy of an electron can change.

An electron in an atom can move from one  energy level to another when the atom gains  or loses energy.

Explanation:

The possible energies that electrons in an atom

can have are called energy levels.

• An electron cannot exist between energy levels.

https://1.cdn.edl.io/tTlW7xRtvD62xSe7RcZlJr7kSR7XsL93akcgJkbGJBNNcpwY.pdf

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The element lithium (Li) has 3 protons and 3 electrons. The element fluorine (F) has 9 protons and 9 electrons. An atom of the e
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When an atom of the element lithium (Li) transfers an electron to an atom of the element fluorine (F), then the bond results between the atoms is ionic bond.

<h3>what is chemical bond? </h3>

A chemical bond is defined as the bond which holds atoms together in molecules.

Bonds arise due to the electrostatic forces present between positively charged atomic nuclei and negatively charged electrons.

<h3>Types of chemical bond</h3>
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  2. Covalent bond
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<h3>What is Ionic bond ? </h3>

Ionic bond is defined as the transfer of electron from one atom to another atom.

Since, electron transfer from lithium to fluroine. Thus lithium get positive charge and fluorine occupy negative charge.

Thus, the bond form between lithium atom and fluorine atom is ionic bond.

learn more about ionic bond:

brainly.com/question/977324

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1 year ago
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