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4 years ago

What is electronegativity

Chemistry

2 answers:

mart [117]4 years ago

8 0

It is a measure of the tendency of an atom to attract a bonding pair of electrons.

Ulleksa [173]4 years ago

5 0

It is a measure of tendency

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2 years ago

The electron configuration of nitrogen (N)

erik [133]

Nitrogen atomic no.=7
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4 years ago

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I2 is an example of a

Free_Kalibri [48]

Answer:

number

Explanation:

5 0

3 years ago

Read 2 more answers

(03.05 LC)

Ainat [17]

Answer:

The correct answer is 4

Explanation:

Boron trifluoride (BF₃) has a molecular geometry (as shown in the image in the question) referred to as trigonal planar; this is because each of the the fluorine atoms/molecules (bonded to the central boron atom) is placed in such a way that they form the three "end points"/"domains" of an equilateral triangle. Hence, the correct option is the last option.

7 0

3 years ago

A blood sample of 4.01 milliliters is collected from a patient to be analyzed for a platelet count. Human blood should have arou

Harlamova29_29 [7]

Given :

Human blood should have around 1.04 kg/L platelets.

A blood sample of 4.01 milliliters is collected from a patient to be analyzed for a platelet count.

To Find :

The expected mass in grams of platelets in the blood sample.

Solution :

1 L of human blood contains 1.04 kg of platelets.

So, amount of platelets is 1 ml blood is :

$=\dfrac{1.04}{1000}\ kg\\\\= \dfrac{1.04\times 1000}{1000}\ gram\\\\= 1.04 \ gram$

Mass of platelets in 4.01 ml blood is :

$m = 1.04\times 4.01\ gram\\\\m = 4.1704\ gram$

Hence, this is the required solution.

3 0

3 years ago