Atoms, Molecules, Ions

Atoms, Molecules, Ions

Assessment

Flashcard

Chemistry

12th Grade

Hard

Created by

john fadri

FREE Resource

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11 questions

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1.

FLASHCARD QUESTION

Front

What are the building blocks of matter?

Back

Atoms

2.

FLASHCARD QUESTION

Front

The nucleus of an atom is made up of ___________________.

Back

Protons and Neutrons

3.

FLASHCARD QUESTION

Front

How many electrons are found in the potassium atom?

Back

19

4.

FLASHCARD QUESTION

Front

When two elements combine with each other to form more than one compound, the mass of one element that combine with a fixed mass of the other are in a ratio of whole numbers.

Back

Law of Multiple Proportions

5.

FLASHCARD QUESTION

Front

How does the average atomic mass of an element compare to the mass number?

Back

The average atomic mass is the average mass of a mixture of isotopes, whereas each isotope has its own mass number.

6.

FLASHCARD QUESTION

Front

Which of the following best describes isotopes?

Back

Isotopes have different numbers of neutrons.

7.

FLASHCARD QUESTION

Front

What is the chemical name of Fe2(SO4)3?

Back

Iron (III) Sulfate

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