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dedylja [7]
3 years ago
6

Which of the following metals will react with water to produce a metal hydroxide and hydrogen gas? a. Mg b. Li c. Al d. Pb

Chemistry
2 answers:
Stells [14]3 years ago
5 0

I believe the answer is A) Mg.

Serggg [28]3 years ago
5 0

the answer is A)Mg

hope i helped

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you find this receipt and remember it can help you with a lock. You have 9 members in your unit. This will take care of 1 member
Stells [14]

Answer:(9x) x 6 + (8x) x= the cost to take care of one member for one day

Explanation:

the receipt takes care of one of the members for one day which is the "+ (8x)" there is no number to represent the cost, so this is all that's possible

7 0
3 years ago
Special characteristics of metals, like being shiny, are called A Descriptions B Phrases C Qualities D Properties
slega [8]
Answer:
d properties
i took a test on this before
8 0
3 years ago
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25 POINTS
Rudiy27

EASY AS PIE AND I LIKE PIE

Calcium iodide (CaI2) is an ionic bond, which means that electrons are transferred.  In order for Ca to become the ion Ca2+, the calcium atom must lose 2 electrons. (Electrons have a negative charge, so when an atom loses 2 electrons, its ion becomes more positive.)  In order for I to become the ion I1−, the iodine atom must gain 1 electron. (When an atom gains an electron, its ion will be more negative.)  However, the formula for calcium iodide is CaI2 - there are 2 iodine ions present. This makes sense because the iodine ion has a charge of -1, so two iodine ions have to be present to cancel out the +2 charge of the calcium ion.  Therefore, the calcium atom transfers 2 valence electrons, one to each iodine atom, to form the ionic bond.

IF WRONG, SORRY

8 0
3 years ago
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What is the empirical formula of a compound that is made of 3.80g of phosphorus and 0.371g of hydrogen?
lys-0071 [83]

You start by diving each quantity given by the atomic wight of each element:

Phosphorus (P)   \frac{3.8}{31} =0.123

Hydrogen (H)   \frac{0.371}{1} =0.371

Then you divide by the lowest number:

\frac{0.123}{0.123} = 1 for phosphorus

\frac{0.371}{0.123} = 3 for hydrogen

So the empirical formula will be:    

PH_{3}

6 0
3 years ago
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asambeis [7]

B. wood burning is a chemical change.

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3 years ago
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