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Phoenix [80]
3 years ago
7

I need help with the last two questions please help quickly!!

Chemistry
1 answer:
Talja [164]3 years ago
6 0

Not sure about the last one, but I think the percent composition of zinc would be ~ 42.8232

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What are the columns on the periodic table called?<br> (2.5 Points)
ExtremeBDS [4]

Answer:

A group is a column of elements in the periodic table of the chemical elements.

So, the columns on the periodic table are called groups.

7 0
3 years ago
True or false???????????
Leni [432]

Answer:

false

Explanation:

longer the wave length less frequency

7 0
3 years ago
Someone plz help i need to do this assignment to pass the class
Natalija [7]

Answer:

1)0.2

2)0.72

3)0.01

Explanation:

Formula is 1)454÷2270

2)0.6×1.2

3)8÷800

8 0
2 years ago
Hey guys!
melamori03 [73]

Pajamas

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Hair clips

Hair ties

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7 0
3 years ago
An aqueous HCL solution has a proton concentration equal to 6.00 mol/L. The HCL concentration in this solution is ————M.
Harman [31]

Answer:

HCl conc.= 6.0mol/L

Explanation:

From the dissociation of HCl= 1 mole H+ and 1mol Cl-, which is equivalent stoichiometrically in concentration to that of 1 mol HCl,

4 0
3 years ago
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