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Rom4ik [11]
3 years ago
14

21. Which energy level has the lowest amount of energy?

Chemistry
2 answers:
Alex Ar [27]3 years ago
8 0
C is the right answer
Nikitich [7]3 years ago
7 0

Answer:

<u>ground state</u>

Explanation:

The lowest energy level of a system is called its ground state; higher energy levels are called excited states.

<h3><u>PLEASE MARK ME </u><u>BRAINLIEST.</u></h3>

<u>{}^{}</u>

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Which element is a metalloid out of aluminum, arsenic, carbon, and helium?
Katyanochek1 [597]

Answer:

arsenic

Explanation:helium is a gas and aluminum is a etal and carbon is not a maetalloid

6 0
3 years ago
How many joules of energy are made by the loss of 100kg of mass using the formula E=mc2? please help!!!
asambeis [7]

Answer:

E = 3 × 10¹⁰ J

Explanation:

Mass, m = 100 kg

We need to find energy made by the loss of 100 kg of mass. The formula between the mass and energy is given by :

E = mc²

Where c is speed of light

Putting all the values, we get :

E = 100 kg × (3×10⁸ m/s)²

= 3 × 10¹⁰ J

So, the required energy is 3 × 10¹⁰ J.

6 0
3 years ago
15. What is true about concentration of a solution? *
Naya [18.7K]
<h3>Answer:</h3>

A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent.

<h3>Explanation:</h3>
  • A solution is made by dissolving a solute in a solvent.
  • For example dissolving a salt in a solvent such as water results to a solution.
  • Solution may either be saturated or unsaturated.
  • Unsaturated solution is a solution that can dissolve more solute upon addition because it has not reached saturation.
  • A saturated solution on the other hand is a solution that has maximum solute and the concentration of solute is maximum and thus the solvent can not dissolve any more solute.
  • Therefore, a saturated solutions contain maximum concentration of a solute dissolved in the solute.
8 0
3 years ago
PLEASE HELP
erastova [34]

Answer:

Problem: The density of ethanol is 0.789 g/cm3 .What is its density in pounds per cubic inch ( lb/in3)?. Based on our data, ... 1 in = 2.54 cm. density = 0 . 789 g ...

Explanation:

6 0
3 years ago
QUESTION 10
worty [1.4K]
I have no idea honestly I don’t remember I had it and I forgot it
6 0
3 years ago
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