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Vanyuwa [196]
3 years ago
15

Which characteristic determines the chemical properties of matter?

Chemistry
1 answer:
MrMuchimi3 years ago
6 0
D. how the elements in matter react with other elements.
Hope this helps!
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Help me with this pleaseeeeeee
stiks02 [169]

Magnesium oxide is an ionic compound with a very high melting point and which requires a large amount of energy for melting.

<h3>What are ionic compounds?</h3>

Ionic compounds are compounds which are formed between oppositely charged ions which are held together by electrostatic forces of attraction between the oppositely charged ions.

Ionic compounds are formed when metal atoms donate electrons to non-metals atoms to form ions.

Magnesium oxide is an ionic compound.

The nature of bonding is ionic bonding.

It has a crystalline lattice structure.

The forces of attraction is electrostatic forces of attraction.

It has a high melting point of 2,852 °C, and thus requires a large amount of energy go melting to occur.

Therefore, magnesium oxide is an ionic compound which requires a large amount of energy for melting.

Learn more about ionic compounds at: brainly.com/question/11638999

3 0
2 years ago
Someone please help me with this. Thanks!
stira [4]

Answer:

Kim kim kim kim kim ath marath enthe kantha

Explanation:

Ninn chumbenem enne thellerthii.

Nin vadabell enne shwasichu!

8 0
2 years ago
If the half life is 6.3 minutes how much of a 128.0 milligram sample will remain after 15 minutes​
zaharov [31]

Answer:

24.5

Explanation:

15/6.3 => 2.38 half lives passed.

.5^2.38 => 0.19198 decimal representation of the percentage that is left over after 2.38 half lives have passed.

0.19198 *128 = 24.5 mg of the material remaining.

6 0
2 years ago
What is the energy of a photon with a frequency of 5.90 × 10¹⁴ s⁻¹? (h = 6.626 × 10⁻³⁴ J • s)
Licemer1 [7]
You use either the formula
E
=
h
f
or
E
=
h
c
λ
.
5 0
2 years ago
Describe the three steps involved in producing crystals of the salt copper sulfate.
denpristay [2]

Answer:

Add copper (II) oxide (insoluble base), a little at a time to the warm dilute sulfuric acid and stir until the copper (II) oxide is in excess (stops disappearing) Filter the mixture into an evaporating basin to remove the excess copper (II) oxide. Leave the filtrate in a warm place to dry and crystallize.

7 0
2 years ago
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