4 years ago

What element’s valence electrons are located in 5s25p5? A. Tc

1 answer:

3 0

The noble gas that occurs before this valence electron configuration is the element Krypton which has an atomic number of 36. Since there are 7 electron in the valence shell, 2 from the s orbital and 5 from the p-orbital, the unknown element should be a halogen. From the given choices, the halogen is the iodine (I). Thus, the answer is letter B.

You might be interested in

Fe2o3 (s) + 3 co (g) → 2 fe (s) + 3 co2 (g) type of reaction

Mariana [72]

I think is Substitution

3 0

3 years ago

Would you see more living things in a Biome or an Ecosystem?

kicyunya [14]

Answer:

A Biome is way bigger than a ecosystem

Explanation:

5 0

3 years ago

Read 2 more answers

Plz help! I will give five star thanks and I will give brainliest

Harman [31]

Answer:

Conduction

Explanation:

Conduction is the transfer of heat energy from one substance to another or within a substance.

5 0

4 years ago

What can happen when chlorine is left in drinking water

lawyer [7]

Chlorine is used in swimming pools to kill unwanted bacteria and keep swimmers safe from infections and disease from the water. While there isn't enough chlorine in swimming pools to cause permanent damage, it can leave your hair dry and your skin irritated and red.

4 0

3 years ago

The normal boiling point of chloroform, which has a higher vapor pressure than water at 100 c, is ____.

PtichkaEL [24]

<span>lower than the boiling point of water

</span>

4 0

4 years ago