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Chemistry

2 answers:

Shtirlitz [24]3 years ago

6 0

Answer:

1.magma forms beneath the plates and rises up through the cracks

2. the tectonic plates move apart from one another

3. lava flows onto Earth’s surface

4. lava cools and hardens to form igneous rock

Explanation:

mylen [45]3 years ago

4 0

Can someone help me out too? , on my question?

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How is the value of an atomic number detirme?

serious [3.7K]

The number of protons in the nucleus determines the atomic number of an element.

Every element has its own characteristic atomic number.

4 0

4 years ago

7) Sodium is much more apt to exist as a cation than chlorine because: a) chlorine is a gas and sodium is a solid b) chlorine ha

sleet_krkn [62]

Answer:

Option (d) chlorine has a greater ionization energy than sodium

Explanation:

Ionization energy is the energy required to remove an electron from a gaseous atom or ion. Sodium has just 1 electron in it's outmost shell and chlorine has 7.

Sodium needs 7 electrons to complete it's octet configuration and chlorine needs just 1.

Sodium can not attract 7 electrons to complete it's octet configuration instead it will easily lose the 1 electron in it's outmost shell to form cation. On the other hand, it will be difficult for chlorine to lose any of it's outmost electrons. This makes chlorine to have higher ionization energy than sodium.

6 0

3 years ago

Hi! Can someone help me with this???

nikklg [1K]

Hey there,

I hope this answer solves your doubt.

Step-by-step Explanation:-