2 years ago

Describe your observations when the paper clip was gently crushed with the pestle

Chemistry

1 answer:

Ilya [14]2 years ago

8 0

Answer:

We can do an experiment with vinegar to see what happens to the calcium in an eggshell when it is exposed to an acid.

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Answer:

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2 years ago

Classify the following atom as excited, ground state, or not possible.<br><br> 1s^2 2s^2 2p^6 3p^1

Luda [366]

According to Pauli's exclusion principle, the energy levels of the subshells should be arranged in an increasing manner. The energy of each subshell can be computed. In the sequence, the given subshells are arranged in a correct order. 30p allows 6 electrons at maximum so this configuration is considered as ground state

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rjkz [21]

Answer:

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nitrogen: 5 valence electrons

oxygen: 6 valence electrons

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phosphorus: 5 valence electrons

sulfur: 6 valence electrons

chlorine: 7 valence electrons

Explanation:

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2 years ago

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vagabundo [1.1K]

The top left corner shows the atomic number which is 3.

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3 years ago