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e-lub [12.9K]
3 years ago
15

Which of these is not a commonly mined metallic substance?

Chemistry
1 answer:
Sliva [168]3 years ago
5 0

Answer:

C) quartz

Explanation:

Quartz is a common mineral. Also, quartz isn't a metallic substance. I'm hoping that this helps :)

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Write the empirical formula for at least four ionic compounds that could be formed from the following ions:
love history [14]

Answer:

FeSO_{4},FeCH_{3}CO,Fe_{2}(SO_{4})_{3},Fe_{2}(CH_{3}CO)_{3}

Explanation:

Empirical formula of ionic compound formed by two ions A^{x+} and B^{y-} is A_{y}B_{x} (for x\neq y) of AB (for x = y)

The above empirical formula is in accordance with charge neutrality principle

Here each cation (Fe^{3+} and Fe^{2+}) can form two ionic compounds by combining with two given anions (SO_{4}^{2-} and CH_{3}CO^{2-}).

So the four ionic compounds are: FeSO_{4},FeCH_{3}CO,Fe_{2}(SO_{4})_{3},Fe_{2}(CH_{3}CO)_{3}

4 0
4 years ago
Give the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantites.
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Answer:

A. Kilo , K, multiplication by 1000

B. Centi, c

C. Deci, d

D. Mili, m

E. Mega, M

F. Micro, u

7 0
3 years ago
True or false?<br><br> When sodium and chlorine combine and bond, a molecule is formed.
CaHeK987 [17]

When Sodium and Chlorine come together they transfer an electron.

- Source: google


Hopefully this was clear and you understood!

3 0
3 years ago
Abigail obtained 36.6 grams of calcium carbonate after performing a reaction. From her calculations, she knew she should have ob
Zielflug [23.3K]

Answer:

it would be 1

Explanation:

3 0
3 years ago
Living organisms make their own carbon
san4es73 [151]
Where’s the question is this a true or false question
3 0
3 years ago
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