Ions, cations and anions

Ions, cations and anions

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Flashcard

Science, Chemistry

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the names of the electron shells numbered 1, 2, 3, and 4?

Back

K, L, M, N

2.

FLASHCARD QUESTION

Front

What is the electron configuration of Boron (B) with 5 electrons?

Back

2, 3

3.

FLASHCARD QUESTION

Front

Why do electrons repel each other in their shells?

Back

Because their negative charges repel.

4.

FLASHCARD QUESTION

Front

What is the notation for a Beryllium atom that has lost 2 electrons?

Back

Be²⁺

5.

FLASHCARD QUESTION

Front

What is the electron configuration of Nitrogen (N)?

Back

2, 5

6.

FLASHCARD QUESTION

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

7.

FLASHCARD QUESTION

Front

What is the difference between cations and anions?

Back

Cations are positively charged ions (lost electrons), while anions are negatively charged ions (gained electrons).

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