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Hatshy [7]
2 years ago
14

Which matter exists in the liquid state at room temperature? A. lead B. nebula C. apple juice D. carbon monoxide

Chemistry
1 answer:
balandron [24]2 years ago
4 0

Answer:

c

Explanation:

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Compare and contrast the elements Potassium, K, and Neon, Ne. Use at least ten comparisons or descriptions.
vovikov84 [41]

Answer:

K is a group 1 element while Ne is a group 0 element

K is a good reducing agent while Ne is inert

K is metal while Ne is a gas

K has one valence electron while Ne has no valence electron

Explanation:

4 0
3 years ago
Is CH3NH3Br acidic, basic, or neutral?
prisoha [69]

Answer:

Basic I think

Explanation:

Im kinda of sure

5 0
2 years ago
Which element has a greater electronegativity?<br> fluorine (9) or radium (88)
emmainna [20.7K]

Answer:

Fluorine

General Formulas and Concepts:

<u>Chemistry</u>

  • Reading a Periodic Table
  • Periodic Trends
  • Electronegativity - the tendency for an element to attract an electron to itself
  • Z-effective and Coulomb's Law, Forces of Attraction

Explanation:

The Periodic Trend for Electronegativity is up and to the right of the Periodic Table.

Fluorine is Element 9 and has 9 protons. Radium is Element 88 and has 88 protons. Therefore, Radium has a bigger Zeff than Flourine.

However, since Radium is in Period 7 while Fluorine is in Period 2, Radium has more core e⁻ than Fluorine does. This will create a much larger shielding effect, causing Radium's outermost e⁻ to have less FOA between them. Fluorine, since it has less core e⁻, the FOA between the nucleus and outershell e⁻ will be much stronger.

Therefore, Fluorine would attract an electron more than Radium, thus bringing us to the conclusion that Fluorine has a higher electronegativity.

7 0
2 years ago
Read 2 more answers
If 2.5L of solution is diluted to prepare 1.7L of a 0.8M solution, what was the original concentration?
mamaluj [8]

Answer:

0.544 M

Explanation:

First find the moles in the final solution

0.8 mols/L *1.7L

1.36 mols

so there is 1.36 mols in 2.5L

concentration will be 1.36/2.5

0.544 M

5 0
2 years ago
The electrical current in a circuit is measured in which of the following units
ivanzaharov [21]

Answer:

joules

Explanation:

i think

6 0
2 years ago
Read 2 more answers
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