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RoseWind [281]
3 years ago
13

Please help

Chemistry
1 answer:
Dmitry [639]3 years ago
3 0
Closest to the nucleus
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help!!!! the relative formula mass (Mr) of sodium fluoride is 42. Use the correct answer frim the box to complete the sentence.​
arsen [322]

Answer:

mole

Explanation:

Since Sodium Chloride is ionic, it cannot be considered a molecule as per the definition of a molecule requires each of its components to be bonded together.

3 0
2 years ago
Read the description of the motion and decide if the kinetic energy (KE) and the gravitational potential energy (PE) is increasi
Elan Coil [88]

Answer:

C

Explanation:

Since the car is moving at a constant speed and the street's height is not changing, there are no changes in the KE/PE levels.

4 0
3 years ago
Read 2 more answers
How are chemical bonds formed?
Neko [114]
The answer is A through transferring or sharing electrons
7 0
3 years ago
High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.
-Dominant- [34]

The main class of high-temperature superconductors are in the class of copper oxides (only some particular copper oxides) especially the Rare-earth barium copper oxides (REBCOs) such as Yttrium barium copper oxide (YBCO).

<h3>What superconducting material works with the highest temperature?</h3>

As of 2020, the material with the highest accepted superconducting temperature is an extremely pressurized carbonaceous sulfur hydride with a critical transition temperature of +15°C at 267 GPa.

<h3>How do high-temperature superconductors work?</h3>

High-temperature superconductivity, the ability of certain materials to conduct electricity with zero electrical resistance at temperatures above the boiling point of liquid nitrogen, was unexpectedly discovered in copper oxide (cuprate) materials in 1987.

Learn more about high temperature superconductors here:

<h3>brainly.com/question/1657823</h3><h3 /><h3>#SPJ4</h3>
3 0
2 years ago
DETERMINE THE MOL OF WATER NEEDED TO REACT WITH1.5 MOL OF NITROGEN DIOXIDE. 3NO2+ H20→ 2HNO3 + NO
dexar [7]

Answer: 0.5 mol h2o

Explanation: Hope this help :D

8 0
3 years ago
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