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ANTONII [103]
2 years ago
8

A substance is tested and has a pH of 1.2. How would you classify it?

Chemistry
2 answers:
djyliett [7]2 years ago
6 0

Answer:

A weak acid

Explanation:

Im not sure if its right. But lets see someone else do it.

aalyn [17]2 years ago
3 0

Answer:

B. A strong acid.

An electrolyte with a pH less than 4 is a strong acid, that with pH range of 4 - 7 is a weak acid, that with 7 - 10 is a weak base, that with pH range of 10 - 14 is a strong base.

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b,c,d

Explanation:

gasses exert pressure, all particles of a gas sample move at the same speed. gas particles can exchange kinetic energy when they collide.

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An atom holds 7 electrons. use orbital notation to model the probable location of its electrons.
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(a) 1s² 2s²2p³; (b) 1s² 2s²2p⁶ 3s²3p⁶ 4s²3d²; (c) 1s² 2s²2p⁶ 3s²3p⁵

Step-by-step explanation:

One way to solve this problem is to add electrons to the orbitals one-by-one until you have added the required amount.

Fill the subshells in the order listed in the diagram below. Remember that an s subshell can hold two electrons, while a p subshell can hold six, and a d subshell can hold  ten.

(a) <em>Seven electrons </em>

1s² 2s²2p³

There are two electrons in the 2s subshell and three in the 2p subshell. The remaining two electrons are in the inner 1s subshell.

(b) <em>22 electrons </em>

1s² 2s²2p⁶ 3s²3p⁶ 4s²3d²

There are two electrons in the 4s subshell and two in the 2p subshell. The remaining 18 electrons are in the inner subshells.

(c) <em>17 electrons</em>

1s² 2s²2p⁶ 3s²3p⁵

There are two electrons in the 3s subshell and five in the 2p subshell. The remaining 10 electrons are in the inner subshells.

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Which element forms an ionic bond when combined with Cl
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