Atomic Structure & Isotopes

Atomic Structure & Isotopes

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is atomic structure?

Back

Atomic structure refers to the arrangement of protons, neutrons, and electrons in an atom, which determines its properties and behavior.

2.

FLASHCARD QUESTION

Front

What are isotopes?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons, resulting in different atomic masses.

3.

FLASHCARD QUESTION

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

4.

FLASHCARD QUESTION

Front

How do you calculate the atomic mass of lithium?

Back

Use the formula: (fraction of isotope 1)(mass of isotope 1) + (fraction of isotope 2)(mass of isotope 2).

5.

FLASHCARD QUESTION

Front

What is the charge of a proton?

Back

A proton has a positive charge.

6.

FLASHCARD QUESTION

Front

What is the charge of an electron?

Back

An electron has a negative charge.

7.

FLASHCARD QUESTION

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

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