chemistry- subatomic particles

chemistry- subatomic particles

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What are isotopes?

Back

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

2.

FLASHCARD QUESTION

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in the nucleus of an atom and determines the element's identity.

3.

FLASHCARD QUESTION

Front

Which subatomic particle is negatively charged?

Back

The electron is the negatively charged subatomic particle.

4.

FLASHCARD QUESTION

Front

What is the charge and mass of a neutron?

Back

A neutron has no charge (neutral) and a mass of approximately 1 atomic mass unit (amu).

5.

FLASHCARD QUESTION

Front

What happens when an element has extra neutrons?

Back

When an element has extra neutrons, it becomes an isotope of that element.

6.

FLASHCARD QUESTION

Front

What is a proton?

Back

A proton is a positively charged subatomic particle found in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

How do you identify an element?

Back

An element is identified by its atomic number, which is the number of protons in its nucleus.

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