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Mariulka [41]
3 years ago
15

How many Ni atoms are in 3.6 mol of Ni

Chemistry
1 answer:
Sliva [168]3 years ago
6 0
I believe that the answer is 1.8^24 of Ni atoms in 3.6 mol of Ni.

Hope this helps. :)

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Plz help me thank u will give brainliest
Triss [41]
I believe it is b. you only want to change one thing at a time so you know which one thing caused the effect
7 0
3 years ago
The octet rule states that the formula for a compound is derived by Group of answer choices having a net charge of magnitude 8.
balandron [24]

Answer:

Atoms bonds with 8 electrons

Explanation:

Octet rule is a chemical rule that shows elements in main group bond so that each atom have 8 valence electrons in the outmost shell which make them to have similar electronic configuration with Noble gases This is important because the sharing of electrons make atoms to have full shell. Atoms with electrons not up to 8 react with more stable compound.

6 0
2 years ago
A cell in the leaf of a corn plant contains more chloroplasts than a cell in the stem of a corn plant. Based on this observation
Alik [6]

Answer:

This question lacks options, the options are:

A). synthesizes more sugar

B). has a higher chromosome count

C). produces fewer proteins

D). uses less carbon dioxide

The answer is A

Explanation:

The chloroplast is an organelle present in the cells of photosynthetic organisms. It is the site where photosynthesis, which is the production of food (sugars) from sunlight energy, occurs.

According to this question, a cell in the leaf of a corn plant contains more chloroplasts than a cell in the stem of the same corn plant. Based on this observation, it can be inferred that the LEAF CELLS WILL SYNTHESIZE MORE SUGARS THAN THE STEM CELL because the more the chloroplast, the higher the photosynthetic rate and subsequently the higher the amount of sugar produced.

8 0
3 years ago
A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?
Bingel [31]

If we have a neutral atom, then it has the same number protons and neutrons.

The number protons and neutrons for neutral atom shows atomic number.

"A neutral atom has an atomic number of 20" means that atom has 20 protons (that give charge "+ 20" ) and 20 electrons (that give charge "-20").

Answer is 20 electrons.


6 0
3 years ago
Read 2 more answers
If the half life is 6.3 minutes how much of a 128.0 milligram sample will remain after 15 minutes​
zaharov [31]

Answer:

24.5

Explanation:

15/6.3 => 2.38 half lives passed.

.5^2.38 => 0.19198 decimal representation of the percentage that is left over after 2.38 half lives have passed.

0.19198 *128 = 24.5 mg of the material remaining.

6 0
2 years ago
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