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almond37 [142]
2 years ago
12

What name should be used for the ionic compound Pb(SO4)2

Chemistry
1 answer:
alexandr402 [8]2 years ago
3 0
Lead(II)Sulfate -- would have to be your answer
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Question 8<br> What is the effective nuclear charge for a 2nd row electron in sulfur
miss Akunina [59]

Answer:

The effective nuclear charge for a 2nd row electron in Sulfur is +8

Explanation:

Zeff = Z (# of protons) - S (# of shielded electrons)

Since there are 8 electrons in the first and second rows combined, there are 8 shielding electrons.

The number of protons in Sulfur is 16.

Therefore,

Zeff = 16 - 8

Zeff = 8

(It's been awhile, so I am not 100% sure)

7 0
2 years ago
Given substances f2, kr, cl2 and hbr rank them with respect to the highest boiling point?
Inessa05 [86]

The Hbr has highest boiling point followed by Kr , Cl_{2} and F_{2} .

The Hbr has  highest boiling point due to presence of intermolecular H-bonding that is hydrogen bonding.

The electronegativity of bromine is greater than hydrogen atom. The electronegativity difference hydrogen atom and bromine atom is high. So, due to this a positive dipole is generated at hydrogen atom and partial negative charge, these partial charge is called dipole. In a HBr molecule one H-atom attracted by Br-atom of another atom by force of attraction and this partial force of attraction is called H-bonding.

Other all given molecules are arrange according to its molecular mass because boiling points is directly proportional to the molecular mass of molecule.

learn more about boiling point

brainly.com/question/2153588

#SPJ4

3 0
1 year ago
5mL of Ethanol has a mass of 3.9g and 5mL of benzene has a mass 4.4g. Which liquid has a higher density?
Salsk061 [2.6K]
For Ethanol:

D = m / V

D = 3.9 g / 5 mL

D = 0.78 g/mL

For benzene:

D = 4.4 g / 5 mL

D = 0.88 g/mL

benzene has a <span>higher density.
</span>
hope this helps!
6 0
3 years ago
What is a kind of biochemical that does not dissolve in water and makes up cell walls fats oils and waxes?
posledela
Lipids is a kind of biochemical that does not dissolve in water and makes up the cell walls fats oil and waxes
5 0
2 years ago
Help can you match the answers to the definition PLZ Need this ASAP 30 points
Alchen [17]

Answer:

1-C

2-D

3-B

4-A

Explanation:

I think it is this if it is not , sorry!

8 0
3 years ago
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