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stepladder [879]
3 years ago
10

How different isotopes of Helium are similar and different.

Chemistry
1 answer:
Margarita [4]3 years ago
6 0

Answer:

i have no clue

i just need points

Explanation:

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5. Which of the following elements will have a charge of 4+ or 4- as an ion?
hjlf

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The answer would either be Carbon or Silicon.

Explanation:

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2 years ago
c) A substance has a high melting point and conducts electricity. What type of structure does it have
trapecia [35]

Answer:

Metallic structure

Explanation:

They have a high melting point due to the strong forces of attraction between the positive ions (cations) and the delocalised electrons. Moreover, they conduct electricity due to the sea of delocalised electrons.

<em>[Extra: It could be an ionic compound since they also have a high melting point, however they only conduct electricity in liquid or aqeouus state.]</em>

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Indicate type of chemical reactions for 2Mgl2+MN(SO3)2=2MgSO3+Mnl4<br>​
Sever21 [200]

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3 years ago
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marysya [2.9K]

Answer:

Explanation:

write down the formulas, use the expressions and formulas to convert

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If you wanted to find a sample of fermium,which has an atomic mass of 100,where would i look???
frutty [35]

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