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dybincka [34]
3 years ago
8

Does the mass number of an atom change when the atom forms a chemical bond?

Chemistry
1 answer:
cupoosta [38]3 years ago
6 0
No it stays the same the only thing that changes are the number of electrons
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Select all that apply.
prohojiy [21]
My guess is the last 2... <span>phosphorus and potassium</span>
5 0
3 years ago
Read 2 more answers
Type the correct answer in the box. Spell all words correctly. In which system are both energy and matter exchanged with the sur
Anna11 [10]

Answer:

open system

Explanation:

An open system is a system in which both energy and matter are exchanged with the surroundings.

4 0
3 years ago
Explain why the pressure in a sealed container of gas decreases when heat is added to the system?
weeeeeb [17]

Answer:

the question is bogus

see explanation

Explanation:

explain why the pressure in a sealed container of gas decreases when heat is added to the system?

when you add heat to the gas molecules in a sealed container, the molecules move faster and the pressure INCREASES!!!

IT DOES NOT DECREASE

PV =nrT

IF THE O THEVOLUME IS FIXED (REIN A SEALED CONTAINER) AND THE  NUMBER OF MOLES n is FIXED, THEN THE PRESSURE IS DIRECTLY PROPORTIONAL THE TEMPERATURE

THE GREATER T, THE GREATER P

4 0
3 years ago
Define photo electric effect​
scoray [572]

Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation.

mark me brainliestt :))

7 0
3 years ago
Which of the following types of electromagnetic radiation have higher frequencies than visible light and which have shorter freq
natta225 [31]

Answer:

Higher frequency than visible light -  <em>Ultraviolet light, X-rays, and Gamma rays</em>

Lower frequency than visible light - <em>Infrared radiation, microwaves, and Radio waves</em>

Explanation:

The frequencies of electromagnetic radiations vary according to their wavelengths. The relationship between the frequency and wavelength of the waves is expressed such that:

      λ = c/f, where λ = wavelength, c = speed of light, and f = frequency.

Thus, there is an inverse relationship between the wavelength and the frequency of electromagnetic waves.

The order of the electromagnetic waves based on their frequency from the lowest to the highest is <em>radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma-rays</em>

<u>Hence, electromagnetic waves with higher frequencies than visible light include ul</u><u><em>traviolet light, X-rays, and Gamma rays </em></u><u>while those with lower frequencies include </u><u><em>Infrared radiation, microwaves, and Radio waves. </em></u>

<u />

4 0
3 years ago
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