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Flashcard Isotopes and Ions

Flashcard Isotopes and Ions

Assessment

Flashcard

Science

KG

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

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.

2.

FLASHCARD QUESTION

Front

What does it mean for an atom to gain an electron?

Back

When an atom gains an electron, it becomes negatively charged and is called an anion.

3.

FLASHCARD QUESTION

Front

What does it mean for an atom to lose an electron?

Back

When an atom loses an electron, it becomes positively charged and is called a cation.

4.

FLASHCARD QUESTION

Front

What is the charge of a sodium ion (Na) after losing one electron?

Back

+1 charge (Na+1)

5.

FLASHCARD QUESTION

Front

What is the charge of a sulfur ion (S) after gaining two electrons?

Back

-2 charge (S-2)

6.

FLASHCARD QUESTION

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

7.

FLASHCARD QUESTION

Front

What is the atomic mass number?

Back

The atomic mass number is the total number of protons and neutrons in an atom's nucleus.

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