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Lostsunrise [7]
2 years ago
8

Which kingdom contains both unicellular and multicellular eukaryotic organisms?

Chemistry
1 answer:
german2 years ago
4 0
The answer is B). Fungi

I’m sorry if this is wrong but I’m pretty sure it’s not
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Nearly all ionic compounds are solids at room temperature in the solids the total blank charge is balanced by the
alexgriva [62]
Ionic compounds are composed of two ions: a positive and a negative ion. For neutral ionic compounds, these charges cancel out. For example, NaCl is a neutral atom which comes from a strong acid HCl and a strong base NaOH. Because they are both strong, the charges balance out and it comes out as neutral.
6 0
3 years ago
Suppose a new group 5A element is discovered. Photoelectron spectroscopy (PES) reveals that its last two peaks occur at 1370 kJ/
iren2701 [21]

Answer: The average valence electron energy (AVEE) of this element =

1014.2 KJ/ mol  or  1.0142mJ/mol.

Explanation:

The average valence electron energy =  (number of electrons in s subshell  x  Ionization energy of that subshell) + (number of electrons in p subshell  x  Ionization energy of that subshell) / total number of electrons in both subshells of the valence shells.

The 5A elements are non-metals like Nitrogen and Phosphorus with the metallic character increasing as you go down the group, So a new 5A element will have characteristics of its group with 5 valence electron in its outermost shell represented as ns2 np3

Therefore  the average valence electron energy (AVEE) of this element will be calculated as

The average valence electron energy = (2 x 1370  kJ/mol + 3 x 777 kJ/mol.) / 5

2740+2331/ 5 =5071/5

=1014.2 KJ/ mol  or  1.0142mJ/mol.

5 0
3 years ago
About how many millions of tons of paper and paperboard were consumed worldwide in 1970? 1980? 1990? 2000?
ad-work [718]

2000 IS RIGHT BECAUSE IT IS

6 0
3 years ago
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I don't understand the question
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How does the picture show that the inner core spins faster than the outer core?
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How is the atomic mass of an atom calculated?
azamat
Adding the number of protons by the number of neutrons
8 0
2 years ago
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