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kolezko [41]
3 years ago
5

Increase the pressure on the system

Chemistry
1 answer:
Molodets [167]3 years ago
6 0

Answer:

What do you mean????????

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Answer the following Question Down Below...
bonufazy [111]

The mass number of the atom is 21, the atomic number is 9, and the element is Fluorine. There are 9 protons, 9 electrons, 12 neutrons, and the elemental symbol is F.

<h3>Properties of an atom</h3>

For every atom:

  • Protons and neutrons are located in the nucleus and the addition of both equals the mass number of atoms.
  • Electrons are located outside the nucleus, in orbitals.
  • Neutral atoms have the same number of electrons and protons

In the diagram:

Number of electrons = 9

Number of protons = 9

Number of neutrons = 12

Mass number = 12 + 9

                      = 21

Atomic number = number of protons

                         = 9

Element with atomic number 9 = Fluorine

Symbol of the element = F

More on atoms can be found here: brainly.com/question/1566330

#SPJ1

5 0
2 years ago
1. Find the molar mass of the compounds<br>a. K2Cro4​
Luda [366]

Answer:

194.1903

Explanation:

that is for one mole of K2Cro4

8 0
3 years ago
A piece of glass is immersed in a liquid. It proceeds to float on the liquid's surface. This shows that the density of the glass
tamaranim1 [39]

Answer: b) Less dense

Explanation:

Differences in density is one reason objects float or sink.

An object more dense than the fluid in which it is immersed will sink, while objects less dense than the fluid in which it is immersed will float to the surface.

But objects floats at constant level if the density is equal to the density of the fluid in which it is immersed; it neither rises nor sinks in the fluid in this case.

7 0
3 years ago
Write balanced complete ionic equation for K2SO4(aq)+CaI2(aq)→CaSO4(s)+KI(aq)
tatyana61 [14]
CaSO4(s) might be an improperly capitalized: CAsO4(S), CaSO4(S) Balanced equation: K2SO4(aq) + CaI2(aq) = CaSO4(s) + 2 KI(aq) Reaction type: double replacement.
7 0
3 years ago
Read 2 more answers
109kPa = _________ mm Hg
LekaFEV [45]

817.567 mm hg the answer for number 2

3 0
3 years ago
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