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Setler79 [48]
3 years ago
10

How do you define an anion?

Chemistry
2 answers:
Elis [28]3 years ago
8 0

An anion has more electrons than protons, it is a negatively charged ion.

Katena32 [7]3 years ago
3 0

Answer:

a negatively charged ion, as one attracted to the anode in electrolysis. any negatively charged atom or group of atoms (opposed to cation).

Explanation:

this is what i found hope iit helps

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A number should be rounded up if
Vedmedyk [2.9K]

Answer:

C.) The number after it is between 5 and 9

Explanation:

If the digit to the right is less than five, you must leave the digit you want to round to as it is.

But, if the digit to the right is greater than or equal to five, you must increase the value of the digit you're rounding to by one. And any remaining digits before the decimal point become zeros, and any that are after the decimal point are dropped.

Hope this helps you out! : )

6 0
3 years ago
The mass of the erlenmeyer flask alone is 88.000 grams. calculate the mass of the zinc and hcl after the addition of 25 grams of
arsen [322]
If concentration of HCl is 1 mol/dm³ :
m(<span>erlenmeyer flask) = 88,00 g.
m(Zn) = 25,0 g.
V(HCl) = 15 ml = 15 cm</span>³ = 0,015 dm³.
Chemical reaction: Zn + 2HCl → ZnCl₂ + H₂.
n(HCl) = c(HCl) · V(HCl).
n(HCl) = 1 mol/dm³ · 0,015 dm³ = 0,015 dm³.
n(Zn) = 25 g ÷ 65,4 g/mol = 0,38 mol.
n(H₂) = 0,015 mol ÷ 2 = 0,0075 mol.
m(H₂) = 0,0075 mol · 2g/mol =  0,015 g.

7 0
3 years ago
What is released when a election returns to a lower state of energy
elena-14-01-66 [18.8K]
Well basically, light is released when an excited electron returns to a lower energy state. Visible Light is part of the electromagnetic spectrum, and is a kind of radiation emitted.
3 0
3 years ago
How many moles of KCIO3 are in 5 g of KClO3?
STatiana [176]

Molar mass of KClO3

\\ \tt\hookrightarrow 39+35+3(16)

\\ \tt\hookrightarrow 74+48

\\ \tt\hookrightarrow 122g/mol

Now

\\ \tt\hookrightarrow No\:of\:moles=\dfrac{Given\:mass}{Molar\:mass}

\\ \tt\hookrightarrow No\:of\:moles=\dfrac{5}{122}

\\ \tt\hookrightarrow No\:of\:moles=0.04mol

6 0
2 years ago
Read 2 more answers
What’s an example of phase change you’ve seen in real life?
givi [52]

Answer:

Melting and boiling will be seen in this example. Condensation might be seen as well. In the Phases of Water Gizmo™, you can heat up or cool down a container of water.

Explanation:

3 0
3 years ago
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