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insens350 [35]
3 years ago
13

Why and how does atom change during time​

Chemistry
1 answer:
DerKrebs [107]3 years ago
7 0

Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is

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Answer:

Yung explain

Explanation:

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3 years ago
How are period and frequency related to each other?
frosja888 [35]

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D. period is reciprocal of frequency.

Explanation:

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4 years ago
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Acid HX has a very large Ka. How will the relative amounts of H+ and HX
valina [46]
The right answer is A
4 0
3 years ago
A block of wood has a mass of 180 grams it is 10.0cm long, 6.0cm wide and 4.0cm thick what is it’s volume and density
PilotLPTM [1.2K]

Answer:

<h2>Density = 0.75 g/cm³</h2>

Explanation:

Density of a substance is given by

<h3>Density(\rho) =  \frac{mass}{volume}</h3>

From the question

mass of the wood = 180 g

Since the wood is a cuboid we can find the volume using the formula

Volume = length × width × height

From the question

length = 10cm

width = 6 cm

height = 4 cm

Volume = 10 × 6 × 4 = 240 cm³

Substitute the values into the above formula and solve for the Density

That's

<h3>Density(\rho) =  \frac{180}{240}  \\  =  \frac{3}{4}</h3>

We have the final answer as

<h3>Density = 0.75 g/cm³</h3>

Hope this helps you

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4 years ago
5. Which describes why the sun is a renewable resource?
nordsb [41]
C. the sun is continuously releasing energy.
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