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castortr0y [4]
3 years ago
8

Which is the electron configuration for bromine?

Chemistry
1 answer:
r-ruslan [8.4K]3 years ago
5 0

Answer:

bromine atomic number =35

1s²2s²2p^6 3s² 3p^6 4s² 3d^10 4p^5.

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If the temperature of one mole of gas increases while its volume decreases, would you expect the gas pressure to increase, decre
tangare [24]

Answer:

Pressure will increase since their is not much room

please give brainliest

Explanation:

8 0
3 years ago
what actually is left over of water once it self ionizes? Like what exactly are the hydrogen and hydroxide ions? Do they remain
GrogVix [38]
The formula for the self ionization of water is 2H₂O(l)⇄H₃O⁺(aq)+OH⁻(aq)

The hydronium (H₃O⁺) is usually just referred to as a hydrogen ion or a proton (H⁺) and hydroxide (OH⁻) doesn't have another name that I am aware of.  These ions do stay in solution.  However the concentrations are really small and the equilibrium constant (K(w)) is 1×10⁻¹⁴.

I hope this helps.  Let me know if anything is unclear.
5 0
3 years ago
what is the specific heat of a substance if 300 j are required to raise the temperature of a 267-g sample by 12 degrees c
slava [35]

Answer : The specific heat of the substance is 0.0936 J/g °C

Explanation :

The amount of heat Q can be calculated using following formula.

Q = m \times C \times \bigtriangleup T

Where Q is the amount of heat required = 300 J

m is the mass of the substance = 267 g

ΔT is the change in temperature = 12°C

C is the specific heat of the substance.

We want to solve for C, so the equation for Q is modified as follows.

C = \frac{Q}{m \times \bigtriangleup T}

Let us plug in the values in above equation.

C = \frac{300J}{267g \times 12 C}

C = \frac{300J}{3204 g C}

C = 0.0936 J/g °C

The specific heat of the substance is 0.0936 J/g°C

3 0
3 years ago
Please Define what an “atom” is
Lostsunrise [7]

Answer:

the smallest particle of a chemical element that can exist.

Explanation:

3 0
3 years ago
Identify the name of the compound Cr2(CO3)3.
kompoz [17]
Cr2(CO3)3 is Chromium (III) Carbonate or Chromic Carbonate. 

It is composed of Chromium, Carbon, and Oxygen. Chromium has 2 atoms, Carbon has 3 atoms, and Oxygen has 9 atoms. 

This compound is composed of 36.6% Chromium, 12.7% Carbon, and 50.7% Oxygen.
7 0
3 years ago
Read 2 more answers
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