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3 years ago

If you had to draw a covalent bond between two atoms, which items would you need to include?

1 answer:

4 0

I think the correct answers from the choices would be options B and C. You need the chemical symbols of the atoms so you will know how the atoms share the bond. Also, you need the electrons shared between atoms since it is what makes the covalent bond between the atoms.

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Which mixture is classified as a solution?

svlad2 [7]

Salt water is considered to be a solution

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2 years ago

Which is a heterogeneous mixture?

Valentin [98]

Answer:

I think no C or D

if wrong correct me plsssssss

Mark me brainliest plsss

Explanation:

December 21 marks the winter solstice in the Northern Hemisphere, but in 2020 the longest night of the year is also going to be a witness to an incredible astronomic event known as the “great conjunction”. ... This rare double planet sighting–or “Great Conjunction”–can be viewed from anywhere around the globe

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2 years ago

Read 2 more answers

Why doesn’t silicone (IV) oxide conduct electricity

choli [55]

Answer:

answer it by yourself and own way

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2 years ago

A solution contains one or more of the following ions: Ag , Ca2 , and Co2 . Lithium bromide is added to the solution and no prec

koban [17]

Answer:

$Ca^{2+} and Co^{2+}$

Explanation:

Given:

A solution contains one or more of the following ions such as Ag, $Ca_2$ and $Co_2$

Here the Lithium bromide is added to the solution and no precipitate forms

Solution:

Since with LiBr no precipitation takes place therefore Ag+ is absent

Here on adding $Li_2SO_4$ to it precipitation takes place.

Precipitate is as follows,

$Ca^{2+}(aq)+SO_4^2^-(aq)----->CASO_4(s)$

Thus,

$Ca^2^+$ is present

When $Li_3PO_4$ is added again precipitation takes place.

Therefore the reaction is as follows,

$Co^2^+(aq)+PO_4^3^-(aq)------>Co_3(PO_4)_2(s)$

Therefore,

$Ca^{2+} and Co^{2+}$ are present in the solution

3 0

2 years ago

Pure research becomes ___ when scientists develop a hypothesis based on the data and try to solve a specific problem

Inessa05 [86]

Answer:

The answer is applied research

Explanation:

Pure research becomes applied research when scientists develop a hypothesis based on the data and try to solve a specific problem.

This is because the pure research try to understand, predict or explain the behavior of different phenomena (the data) while the applied research try to develop new technologies or methods (hypothesis) to take part, intervene and/or create changes on these phenomena and solve a specific problem.

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2 years ago