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Nonamiya [84]
3 years ago
8

An ion from a given element has 38 protons and 36 electrons what is the charge

Chemistry
1 answer:
den301095 [7]3 years ago
3 0
For a neutral atom, the number of positive protons is equal to the number of negative electrons and the charge is zero.

For this question, we see that the number of protons exceeds the number of electrons by 2, which means that this ion in a positively charged charged ion with charge of +2.
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How many grams of water are produced if 33.0 grams of N20 is produced?
S_A_V [24]
The answer is 27 grams. Hope it helps
3 0
2 years ago
Two 10g blocks, one of copper and one of iron, were heated from 300 K to 400K (a temperature difference of 100 K).
vova2212 [387]

Energy absorbed by Iron block E (iron) = 460.5 J

Energy absorbed by Copper block E (Copper) = 376.8 J

<u>Explanation:</u>

To find the heat absorbed, we can use the formula as,

q = m c ΔT

Here, Mass = m = 10 g = 0.01 kg

ΔT = change in temperature = 400 - 300 = 100 K = 100 - 273 = -173 °C

c = specific heat capacity

c for iron = 460.5 J/kg K

c for copper = 376.8 J/kg K

Plugin the values in the above equation, we will get,

q (iron) = 0.01 kg × 460.5 J/kg K × 100 K

            = 460.5 J

q (copper) = 0.01 kg ×  376.8 J/kg K × 100 K

                 = 376.8 J

3 0
3 years ago
*CONNEXUS, Anyone have the answers for chemistry b, chemical reaction systems!? Please
NeX [460]

If you want to optimize environmental impact, the ores should be sifted at the site before transporting.

<h3>What is an ore?</h3>

An ore refers to the raw material from which a material is made. Usually, ores are obtained in the raw state from the earth. Metal ores are very important in the manufacturing industry.

In order to reduce the environmental impact of the manufacturing of ores in the metallurgical industry, the ores should be sifted at the site before transporting.

Learn more about environmental impact : brainly.com/question/1023358

6 0
2 years ago
Which of the following pairs of elements are chemically most similar to each other?
Natali [406]

Answer:

B

Explanation:

elements in the same group are most similiar

8 0
2 years ago
Which of the following pairs of elements is most likely to form an ionic compound?
dmitriy555 [2]

Answer:

The correct option is B.

Explanation:

Ionic bond are usually formed between a metal and a non metal. The metal usually acts as the electron donor while the non metal acts as the electron acceptor, that is, the metal give away electrons while the non metal accept the electrons. In the options given in this question, it is only the pairs in option B, that is qualify for ionic bond, this is because it consist of a metal and a non metal.

5 0
3 years ago
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