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pantera1 [17]
2 years ago
7

The charge on a magnesium ion is +2. When it formed an ionic compound with another element, it lost

Chemistry
1 answer:
strojnjashka [21]2 years ago
4 0
I believe it’s loses two electrons.
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water and ammonia are polar. The hydrogen atoms in each have a slight positive charge. What does that tell you about the oxygen
Andreas93 [3]

Answer:

More electronegative

Explanation:

The oxygen and nitrogen in ammonia shows that they are more electronegative than the hydrogen  atoms.

  • Electronegativity shows the affinity of an atom for valence electrons.
  • Electronegativity is the measure of the relative tendency with which the atoms of the element attract valence electrons in a chemical bond.

The oxygen atom in water and the nitrogen atom in ammonia are more electronegative.

They attract the electrons more and they then become negatively charged.

The hydrogen will then become positively charged in the shared covalency.

4 0
3 years ago
What is concentration in science​
alexandr1967 [171]

The amount of something that you have in a liquid (most commonly)

7 0
3 years ago
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Silver has a density of 10.5 grams/cm3. What would be the mass of a 5 cm3 piece of sliver
enyata [817]

Answer:

52.5 g

Explanation:

Density= mass/volume

Rearranging the equation gives us m= d(V)

m= d(V)

m= (10.5 grams/cm^3)(5 cm^3)

m= 52.5 g

8 0
3 years ago
What has more particles: a mole of hydrogen or a mole of uranium?
algol [13]

Answer

hydrogen

Explanation:

7 0
2 years ago
Spread Spectrum (SS) encoding: a) Name four spread spectrum techniques. b) Which one of them was originally devised against eave
azamat

Explanation:

( a )

<u>The four types of  spread spectrum techniques are as follows -</u>

1. Direct sequence spread spectrum .

2. frequency hopping spread spectrum .

3. chirp spread spectrum .

4. time hopping spread spectrum .

( b )

<u>The Direct sequence spread spectrum was devised for eavesdropping in the military .</u>

In the field of telecommunications , the Direct sequence spread spectrum , it is the technique of spread spectrum modulation which is used to reduce the overall inference of the signal .

4 0
3 years ago
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