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Nataliya [291]
2 years ago
6

Which of the following is an example of a good conductor of electrons A. glass B. pure metal C. Dry glasses D. All of the above

Chemistry
2 answers:
Charra [1.4K]2 years ago
4 0
The answer would be B pure metal
vlabodo [156]2 years ago
4 0

I would say either B or D

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If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
den301095 [7]

Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

5 0
2 years ago
Where does photosynthesis occur in a plant cell? In what part of a plant cell does photosynthesis occur?
Lynna [10]

Explanation:

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.

3 0
2 years ago
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Which of the following statements is true with regard to transverse and longitudinal waves?
Ipatiy [6.2K]

Answer:

D (The last answer)

Explanation:

In a transverse wave, particles oscillate perpendicular to the direction of wave motion.

In a longitudinal wave, the oscillations of particles are parallel to the direction of propagation.

5 0
3 years ago
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Some chemicals which are used to control weeds may be harmful to the environment.<br> TrueFalse
pshichka [43]
Probably true because chemicals do control weed and it hurts the environment.
6 0
9 months ago
The pH of a solution is measured as 4.5. What is the hydrogen ion concentration of the solution?
Bond [772]

Answer:

[H⁺] =  3.16 × 10⁻⁵ mol/L

Explanation:

Given data:

pH of solution = 4.5

Hydrogen ion concentration = ?

Solution;

pH = -log [H⁺]

we will rearrange this formula:

[H⁺] =  10∧-pH

[H⁺] = 10⁻⁴°⁵

[H⁺] =  3.16 × 10⁻⁵ mol/L

4 0
2 years ago
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