Atomic Structure, Isotopes and Ions

Atomic Structure, Isotopes and Ions

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the atomic structure of an atom?

Back

An atom consists of a nucleus containing protons and neutrons, surrounded by electrons in orbitals.

2.

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.

3.

FLASHCARD QUESTION

Front

What is a cation?

Back

A cation is a positively charged ion, formed when an atom loses one or more electrons.

4.

FLASHCARD QUESTION

Front

What is an anion?

Back

An anion is a negatively charged ion, formed when an atom gains one or more electrons.

5.

FLASHCARD QUESTION

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number (number of protons) from the atomic mass (rounded to the nearest whole number).

6.

FLASHCARD QUESTION

Front

What is the significance of the atomic number?

Back

The atomic number defines the element and is equal to the number of protons in the nucleus.

7.

FLASHCARD QUESTION

Front

What is the difference between atomic mass and atomic weight?

Back

Atomic mass is the mass of a single atom, while atomic weight is the average mass of an element's isotopes.

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