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baherus [9]
3 years ago
8

if an element [x] contains 8 protons, 8 neutrons and 8 electrons, the atomic number of the element is ?

Chemistry
1 answer:
Kaylis [27]3 years ago
7 0

Answer:

8

Explanation:

The atomic number refers to the number which identifies the element, which is the proton number.

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Power gathered from the sun and wind
Mademuasel [1]

Answer: B. Can provide humans with energy forever

Explanation:  The warm air rises and cooler air rushes in to take its place. The moving air is wind. As long as the sun shines, there will be winds on the Earth. We will never run out of wind energy.

7 0
3 years ago
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Uranium has an atomic weight of 238 amu.
shepuryov [24]

Answer:

U= 238g/mol

U2O5= 556g/mol

Explanation:

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4 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
bija089 [108]

Answer:

sorry i'm not a scientist but i think it's C

Explanation:

sorry again if i get it wrong for u :(

3 0
3 years ago
Calcium is a group 2 element. Chlorine is a group 7 element. They form an ionic compound called
kondaur [170]

Answer:

CaCl2

Explanation:

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7 0
3 years ago
How many molecules are in 4.62 moles of nitric acid (HNO3)?
Lena [83]

Answer:

2.8x10^24

Explanation:

To convert moles to molecules, multiply the number of moles by Avagadro's number (6.02x10^23. Round if required.

4.62mol × 6.02x10^23 = 2.8x10^24

6 0
3 years ago
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