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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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What do the individual spheres represent in the model!
Trava [24]

Answer:

the individual atom in the molecule

Explanation:

In chemistry, the ball-and-stick model is a molecular model of a chemical substance.  Invidual spheres there represent atoms in the molecule. The bigger atomic number the atom has, the larger diameter of the spheres this atom has in this model.

I hope this answer will help you. Have a nice day !

5 0
2 years ago
Which accurately describes nonmetals
Bumek [7]

Answer:

Most nonmetals are solids, but some are gaseous or liquid. All nonmetals are solid unless they bond with a metal.

Explanation:

ANSWER: LOOK IT UP IN YO DICtionary

                                         - williams got dem guns

8 0
2 years ago
Which of these limiting factors is MOST likely to affect low-growing plants in a tropical forest? Group of answer choices air wa
Georgia [21]

Answer:

air, water, sunlight

Explanation:

A limiting factor may be defined as a environmental condition or a resource that can limit the plant growth as well as distribution or the abundance of an organism or its population within the ecosystem. The ability  of any plant species to grow and spread throughout any geographic area is the direct result of the adaption to its biotic  and abiotic components of that region.

Some of the factor that affect the plant growth are : sunlight, air, proper temperature, moisture, nutrients, wind,etc.

The lack of the any one of the above essential component will determine the health of the  plant.

8 0
3 years ago
Given the balanced equation representing a reaction:
dimaraw [331]
The answer is (4) synthesis. Synthesis reaction means that two or more reactants combine directly to one production. Substitution or single replacement means that one element of a compound is replaced by another element. Double replacement means that two ionic reactants exchange ions to form two new productions.
3 0
3 years ago
Which one of the following is different from the others A .HCl B. HF C. HBr D. HI​
lora16 [44]

Answer:

D.HI

Explanation:

because this is the most different

5 0
2 years ago
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