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valentinak56 [21]
2 years ago
13

1. Which substance has the highest boiling point?

Chemistry
1 answer:
Katyanochek1 [597]2 years ago
5 0

Answer:

your answer would be the last one gold

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1. What property do elements share if they are on the same row of the periodic table? What if they are in the same column?
Nimfa-mama [501]
If they are in the same row they have the same number of outer electrons on the same main shell also known as valence electrons

if they are in the same column they have the same number of valence electrons but on different main shells
8 0
3 years ago
Super lost plz help
andrew11 [14]
What do you need help with. I am very good at chemistry.
7 0
3 years ago
Chose the mathematical formula expressing work.
Gelneren [198K]
W = AB x F x Cos < AB, F
or just W= AB x F for short
7 0
3 years ago
I NEED HELP ASAP!!<br> I DOMT KNOW HOW TO DO THIS
KatRina [158]
What part of it are you confused about
3 0
3 years ago
Please help me balance:<br>_NaNO3 + _PbO_ ➡️ Pb(NO3)2 + _Na2O
KengaRu [80]

Answer:

The balanced reaction is given by,

2NaN(O)3 + PbO ⇒ Pb(NO3)2 + Na2O

Explanation:

The reaction is as given.

Lets count the number of each elements in the reaction.

<em>In reactant side, number of sodium atoms are 1 , lead are 1, nitrogen are 1 and oxygen are 4.</em>

<em>in product side, number of sodium atoms are 2 , lead are 1 , nitrogen are 2 and oxygen are 7.</em>

<em>So we need to balance sodium and oxygen atoms in the reaction.</em>

<em>There is deficient of sodium and oxygen atoms on reactant side</em>.

Thus, multiply (NaNO3) by 2.

<em>Thus, sodium atoms become 2 , nitrogen 2 and oxygen 6. Total 7 oxygen atoms.</em>

Thus, the balanced reaction is,

2NaN(O)3 + PbO ⇒ Pb(NO3)2 + Na2O

7 0
3 years ago
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