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valina [46]
2 years ago
11

Science help for 6th grade advanced?

Chemistry
1 answer:
tino4ka555 [31]2 years ago
6 0
16287.50 I think? I just googled it though so I’m not sure if it’s correct.
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Select all of the answers that apply. Which of the following are ways the atmosphere supports life?
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3 years ago
Chemical reactions forming ions do not balance electrically. <br><br> True or False
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PH3, explain why there is a partial positive on hydrogen and partial negative on phosphorus.
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Phosphorus is more electronegative than hydrogen

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Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons towards itself thereby making a molecule to be polar. The Pauling scale is the most commonly used to measure electronegativity. Fluorine (the most electronegative element) is assigned a value of 4.0 on the Pauling's scale, and values range down to caesium and francium which are the least electronegative elements.

Electronegativity increases from left to right across the periodic table (across the period) hence, phosphorus is far more electronegative than hydrogen. Being more electronegative than hydrogen, phosphorus attracts the bonding electron pair of the P-H bond closer to itself than hydrogen. Since the electrons of the bond are closer to phosphorus than hydrogen, the phosphorus atom acquires a partial negative charge while the hydrogen atom acquires a partial positive charge.

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2 years ago
Which element requieres the least amount of energy to remove the outermost electron
Arte-miy333 [17]

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8 0
3 years ago
Read 2 more answers
An analytical chemist has determined by measurements that there are 96.5 moles of carbon in a sample of acetic acid. how many mo
Nadya [2.5K]
The formula of acetic acid is CH3COOH => C2H4O2.

So, the acetic acid has the same number of atoms of carbon (C) than of oxygen (O).

Therefore, the sample that contains 96.5 moles of carbon, will contain also 96.5 moles of O.

Answer: 96.5 moles of oxygen.
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2 years ago
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