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timofeeve [1]
3 years ago
13

What is the charge of a beta particle?

Chemistry
2 answers:
Delvig [45]3 years ago
7 0

Answer:

Beta particles have a charge of minus 1.

Explanation:

Hope this helps!

miv72 [106K]3 years ago
4 0

Answer:

<em><u>MARK AS BRAINLIEST ANSWER</u></em>

<em><u>PLZ FOLLOW ME</u></em>

Explanation:

Beta particles have a mass which is half of one thousandth of the mass of a proton and carry either a single negative (electron) or positive (positron) charge. As they have a small mass and can be released with high energy, they can reach relativistic speeds (close to the speed of light)

HOPE IT HELPS YOU

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A rock occupies a volume of 20 cm3 and has a mass of 100 g. Find the density of Answer:_____________ this rock.
ycow [4]

The density of rock = 5 g/cm³

<h3>Further explanation</h3>

Given

Volume of rock=20 cm³

Mass = 100 g

Required

Density

Solution

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

The unit of density can be expressed in g/cm³ or kg/m³  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density  

m = mass  

v = volume  

Input given values in formula

\tt \rho=\dfrac{mass~of~rock}{volume~of~rock}=\dfrac{100~g}{20~cm^3}=5~g/cm^3

5 0
3 years ago
At birth, a lion cub is:
aalyn [17]

Answer:

Weak and dependent on its mother

this is natural for all animals even humans

3 0
3 years ago
Read 2 more answers
How does the energy of the atoms in a hot cup of coffee compare to the energy of the atoms in a piece of ice?
Nonamiya [84]

Answer:

The atoms in the cup of coffee have more energy.

Explanation:

The difference between the hot cup of coffee and the piece of ice is their temperature. The hot cup of coffee has a higher temperature than the ice.

The relationship between the energy and temperature is a direct relationship. This means that higher temperature means higher kinetic energy and vice versa.

Since the hot cup of coffee has  a higher temperature, it means it also have the highest amount of energy. The correct option is;

The atoms in the cup of coffee have more energy.

5 0
3 years ago
What is the mass if the density is 2.7 g/ml and the volume is 11mL
Crank

Answer:

<h2>The answer is 29.7 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

density = 2.7 g/mL

volume = 11 mL

The mass is

mass = 2.7 × 11

We have the final answer as

<h3>29.7 g</h3>

Hope this helps you

8 0
3 years ago
explain why ionic compounds are not electrical conductors in the solid state, but conduct electricity when dissolved.
Alik [6]

Answer:

Hi !

Here is your answer !

Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.

Explanation:

Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place.

Thank You !

4 0
3 years ago
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