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sergejj [24]
3 years ago
13

Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetals. Using the periodic table, which pair of these nonmetal

s has the most similar properties?
Chemistry
2 answers:
Lisa [10]3 years ago
7 0
Using the periodic table, the pair of non metals that has the most similar properties would be :
Oxygen and Selenium
at the periodic table, these both located on the same period

hope this helps
tankabanditka [31]3 years ago
3 0

Answer: Oxygen and Selenium are the non-metals that will show similar properties.

Explanation:

It is known that neutral elements which contain same number of valence electrons will show similar chemical properties though their physical properties can be different.

Therefore, elements of same group tend to similar chemical properties.

So, out of the given options both oxygen and selenium belongs to same group therefore they show similar chemical properties.

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lions [1.4K]

Answer:

Mark has a speed of 6 MPS (Miles Per Hour)

Explanation:

It took mark 2 hours to ride his bike to his grandma's house, which was 12 miles away. I divided 2 by 12 and got 6. Remember this: mph = miles away ÷ time.

4 0
2 years ago
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Which compound are ionic and which are covalent? (N2) (CCl4) (SiO2) (AlCl3) (CaCl2) (LiBr)
muminat
Covalent compounds: N2, CCl4, SiO2 and AlCl3.

Ionic compounds: CaCl2 and LiBr.

Hope this helps!
3 0
3 years ago
How does the electron-cloud model describe electrons?
Natali5045456 [20]

Answer: C) An electron has a high probability of being in certain regions.

Explanation: How does the electron-cloud model describe electrons? An electron has a high probability of being in certain regions.

***If you found my answer helpful, please give me the brainliest, please give a nice rating, and the thanks ( heart icon :) ***

8 0
2 years ago
2 Points
pishuonlain [190]

Answer:

B

Explanation:

Boyle was known for rejecting Aristotle's theory basing it on the four elements (earth, air, fire, water).

4 0
3 years ago
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