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jok3333 [9.3K]
3 years ago
9

Select the correct answer. Which is the most electronegative element? A. nitrogen B. fluorine C. sodium D. cesium E. hydrogen

Chemistry
2 answers:
polet [3.4K]3 years ago
7 0

Answer:

fluorine

Explanation:

fluorine is considered the most electronegative element

Oksanka [162]3 years ago
6 0

Answer:

D. cesium

hope it helps

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Help asap thank u!!!!
9966 [12]
I think the answer is the last answer at the bottom
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2 years ago
What is the amount in grams of EDTA needed to make 315.1 mL of a 0.05 M EDTA solution. The molar mass of EDTA is 374 g/mol
statuscvo [17]

Answer:

58.92 g EDTA

Explanation:

315.1 mL = .3151 L    

M = Moles / Liter

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                1 L EDTA             1 mol EDTA

4 0
2 years ago
which of the following correctly identifies the composition of an oxygen atom? A.8 protons, 8 electrons, and 8 neutrons. B.6 pro
Ulleksa [173]
<span>You can answer this question by getting the atomic number and atomic mass of Oxygen from a periodic table. There you will find that the atomic number is 8, that means, by definition, that it has 8 protons. This is, because atomic number is defined as the number of protons of an element. Given that the atom is neutral, that implies that the atoms have the same number of electrons than protons. So you already know that the oxygen atoms has 8 protons and 8 electrons. The number of neutrons can vary, which is what defines the isotopes. Given that the atomic mass of oxygen is 15.999, that means that most atoms of oxygen has 8 neutrons (8 protons +8 neutrons = 16 atomic mass). But you can not be sure that a specific atom of oxygen has 8 neutrons, nevertheless, given that the other options are discarded (because they do not have 8 protons and 8 electrons), the only correct answer is the option A. 8 protons, 8 electrons, and 8 neutrons.</span>
8 0
3 years ago
Read 2 more answers
David walks 10 Km North. He turns East and walks 10 more Km. What is his distance
BigorU [14]

Answer:

20 km

Explanation:

he walks 10 km + another 10 km so 20 :)

3 0
2 years ago
How does the line spectra are used to identify elements and what they indicate about atoms?
olga nikolaevna [1]
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3 years ago
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