3 years ago

Which particles make up the nucleus of an atom?

1 answer:

5 0

D. protons and neutrons

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Dafna11 [192]

Answer:

1.heat a pan of water with just a little bit of water,have a boil

2.chosse ure salt

3.stir in has much salt has u can than take the pan off the heat

4.pour the mix into a glass jar

5.tie a string to an objeet that can lay accross the top and put just the string in ure mix

Explanation oh and look at it everyday hope that helps

8 0

3 years ago

rodikova [14]

Answer:

Z=22.70

Explanation:

It is given that,

An element Z that has two naturally occurring isotopes with the following percent abundances as follows :

The isotope with a mass number 22 is 65.0% abundant; the isotope with a mass number 24 is 35.0% abundant.

The average atomic mass for element Z is given by :

$Z=\dfrac{22\times 65+24\times 35}{100}\\\\Z=22.7$

So, the average atomic mass for element Z is 22.70.

3 0

4 years ago

Dafna1 [17]

A liquid is the answer :)

8 0

4 years ago

Natasha_Volkova [10]

Don't smoke, drive less, don't let toast burn, use an electrical fire instead of a wood one....
I can't think of anything else.

8 0

3 years ago

Lubov Fominskaja [6]

I don't know how 5°C cooled to 85°C but the answer would be 12.878L

4 0

3 years ago