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solmaris [256]
3 years ago
14

Which of the following is NOT a pure substance?

Chemistry
2 answers:
Leviafan [203]3 years ago
7 0
You need to have more information, please list the
"following".

Thanks
Lostsunrise [7]3 years ago
4 0

C. is the answer

A. carbon dioxide

B. water

C. milk

D. oxygen

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Answer:

alpha particles

Explanation:

alpha particles the least penetrating but potentially most damaging and gamma rays the most penetrating. A beta particle, also called beta ray or beta radiation, is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay.

sana po makatulong

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2 years ago
How to get the formulas for these compounds
Travka [436]
So what you’re going to do is basically the + and - in each top hand corner is the charge of compound, so for example Li has a charge of +1 while Br has a charge of -1 , to write the formula you need to get the charges to cancel out ( equal zero) so luckily this was easy because -1 +1 =0 ! So it would be LiBr. Though for another example Al has a charge of 3+ while br has a charge of -1 and these do not equal zero, so as a result you have to add more br making the Formula AlBr3! Hope this helps!
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3 years ago
How many moles are in 2.0 grams of Na?
lisov135 [29]

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46

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