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nikdorinn [45]
3 years ago
13

What two elements are commonly found in Mica, Quartz and Feldspar? Explain your answer.

Chemistry
1 answer:
kifflom [539]3 years ago
6 0

Answer:

oxygen and silicon, both are common

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PLZ ANSWER QUICKLY! The electronegativity values of carbon, hydrogen, and nitrogen are compared in the table. Comparison of Elec
andriy [413]

Answer:

c. CH4 < NH3 because the NH bond is more polar than the CH bond.

Explanation:

Actually, the electronegativity difference between carbon and hydrogen is just about 0.4. This meager difference in electronegativity corresponds to a nonpolar bond between the two atoms.

However, the electronegativity difference between nitrogen and hydrogen is about 0.9. This larger electronegativity difference corresponds to the existence of a polar covalent bond between the two atoms.

Hence the N-H bond is significantly polar unlike the C-H bond. This implies that CH4 molecules are only held together by weak dispersion forces while NH3 molecules are held together by stronger dipole-dipole interactions and hydrogen bonds.

8 0
2 years ago
Which state removed a physician's license to practice medicine.
skad [1K]
Most of our data are based on published information from the Association of American Medical Colleges, the Educational Council for Foreign Medical Graduates, the American Board of Medical Specialties, and the National Resident Matching Program. Data on board-certified physicians were obtained from the Division of Survey and Data Resources of the American Medical Association and are not published elsewhere
i think thats right

4 0
3 years ago
The atoms of which elements are least likely to form chemical bonds? Check all that apply.
svetoff [14.1K]
The elements that apply are argon, neon and helium. These elements are called inert gasses and have unique properties that make them unreactive. These elements are so unreactive that they are classified as chemically inert.
The elements belong to a group in the periodic table known as the Noble Gases. They belong to family 18 of the periodic table and have atoms with 8 valence electrons. This configuration causes the gases to be unreactive.
4 0
3 years ago
Read 2 more answers
Which element was first discovered in space before it was discovered on Earth?
faltersainse [42]
Helium was first discovered in space before it was on earth
7 0
3 years ago
Read 2 more answers
WHAT IS THE MASS OF AN OBJECT WHOSE<br> DENSITY IS 0.23 G/ML AND A VOLUME OF<br> 22.5 ML?
7nadin3 [17]

Answer:

<h2>The answer is 5.18 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume = 22.5 mL

density = 0.23 g/mL

We have

mass = 0.23 × 22.5 = 5.175

We have the final answer as

<h3>5.18 g</h3>

Hope this helps you

4 0
3 years ago
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