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Goshia [24]
3 years ago
7

A solution has a pH of 12. This solution is:

Chemistry
1 answer:
kolezko [41]3 years ago
3 0

Answer:

basic

Explanation:

pH 7: neutral

12>7

so it is basic

(if <7 than acidic)

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Which elements make up 95 percent (by weight) of the human body?
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Oxygen,carbon,hydrogen,and nitrogen- together make up 95 percent of the mass of the human body.
Hope this helps.
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3 years ago
When a metal and a nonmetal exchange electrons to make a cation and an anion, respectively, they can form an ionic compound. The
mario62 [17]

Answer:

Generally, we know that ionic compounds are formed by reaction of metals and non metals and non metals form a covalent  or non ionic bonds.

<u>IONIC COMPOUDS</u>

  • Iron and chlorine (FeCl2) , ( FeCl3)
  • Chlorine and Lithium (LiCl)
  • oxygen and calcium ( CaO)
  • Potassium and Sulphur ( K2S)

<u>NON IONIC COMPOUNDS</u>

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Explanation:

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Which of the following statements is true about atoms?
choli [55]

Answer:

D

Explanation:

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%96%AA%E2%
Elan Coil [88]

Let's check Electronic configuration of N in ground state

\\ \sf\longmapsto 1s^22s^22p^3

  • In exited state

\\ \sf\longmapsto 1s^22s^22px^12py^12pz^2

  • 3 p orbitals

In hydrogen case

\\ \sf\longmapsto 1s^1

  • 1 s orbital

Hence Hybridization

\\ \sf\longmapsto s-p-p-p

\\ \sf\longmapsto sp^3

Structure is tetrahedral .

Spare way:-

  • Bond pairs==3=>Bonding electrons=6
  • Lone pair=1=>Anti bonding electrons=2

Hybridization

\\ \sf\longmapsto \dfrac{1}{2}[\sigma+\sigma *]

\\ \sf\longmapsto \dfrac{1}{2}[6+2]

\\ \sf\longmapsto \dfrac{1}{2}[8]

\\ \sf\longmapsto 4

  • sp3 Hybridization
  • Shape-Tetrahedral .

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How will the gravitational force between the moon and a spacecraft change as the spacecraft nears the moon?
Reil [10]
A) because you are moving closer to the moon
4 0
4 years ago
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