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Nadusha1986 [10]
3 years ago
8

The element nickel has five naturally occurring isotopes. Which of the following describes the relationship of these isotopes?

Chemistry
1 answer:
Elden [556K]3 years ago
6 0
<h3>Answer:</h3>

Different mass, same atomic number

<h3>Explanation:</h3>
  • Elements are made of similar atoms, however the atoms may have different number of neutrons but the same number of protons in their nucleus.
  • Such atoms that have equal number of protons but different number of neutrons are known as isotopes.
  • Difference in the number of neutrons makes isotopes to have different mass numbers.
  • Atomic number is the number of protons in the nucleus of an atom, therefore, isotopes have the same atomic number.
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How does water cause weathering of a rock?​
klio [65]

Answer:

water wears it down over time, eroding it and weathering it. This usually happens to rocks in creekbeds or near bodies of water

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Explanation:

7 0
3 years ago
A solution of sugar contains 35 gramsof sucrose, C12H22O11in 100 mL of water. What is the percent composition of the solution?
KATRIN_1 [288]

Answer:

Percent composition of the solution is 26 % of sucrose and 74 % of water

Explanation:

Percent composition is the mass of solute, either of solvent in 100 g of solution.

Mass of solution = Mass of solvent + Mass of solute

Mass of solute = 35 g

Mass of solvent = 100 g

As we know, water density = 1g/mL

So 1g/mL . 100 mL = 100 g

35 g + 100 g = 135 g → Mass of solution

(Mass of solute / Mass of solution) . 100 =

(35 g / 135 g) . 100 = 26 %

(Mass of solvent / Mass of solution) . 100 =

(100 g / 135 g) . 100 = 74 %

8 0
3 years ago
Calculate the specific heat in calories per °C of a 2.00 lb pure iron bar.<br> Plz help me!!!
nekit [7.7K]

Answer:

402.7897

Explanation:

Pretty sure but not 100% about it.

grams in 2 pounds = 907.184 * specific heat of iron = .444

=402.789696

4 0
2 years ago
ILL GIVE YOU BRAINLIST !!! HAVE TO GET IT RIGHT !!
inysia [295]

Answer: The 3rd and 6th bullet point is the quantitative data.

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4 0
3 years ago
A gas occupies a volume of 30.0L, a temperature of 25°C and a pressure of 0.600atm. What will be the volume of the gas at STP?​
Shalnov [3]

Answer:

=16.49 L

Explanation:

Using the equation

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V2=16.49L

5 0
3 years ago
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