Atoms Review

Atoms Review

Assessment

Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the mass number of an atom, and how is it calculated?

Back

The mass number of an atom is the total number of protons and neutrons in its nucleus. It is calculated by adding the number of protons (atomic number) to the number of neutrons.

2.

FLASHCARD QUESTION

Front

How many neutrons are in an atom with 36 protons and a mass number of 84?

Back

48 neutrons (calculated as mass number 84 - protons 36 = neutrons 48).

3.

FLASHCARD QUESTION

Front

What charge do electrons carry, and how does it compare to protons?

Back

Electrons carry a negative charge, which is smaller in magnitude than the positive charge of protons.

4.

FLASHCARD QUESTION

Front

Where are electrons located in an atom, and what is their charge?

Back

Electrons are located outside the nucleus of an atom and carry a negative charge.

5.

FLASHCARD QUESTION

Front

What is the nucleus of an atom, and what particles does it contain?

Back

The nucleus is a small, dense region at the center of the atom, containing positive protons and neutral neutrons.

6.

FLASHCARD QUESTION

Front

What types of particles are found outside the nucleus of an atom?

Back

Only negative particles, which are electrons, are found outside the nucleus.

7.

FLASHCARD QUESTION

Front

Define an atom and its basic structure.

Back

An atom is the smallest unit of an element, consisting of a nucleus (containing protons and neutrons) and electrons that orbit around the nucleus.

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