Atomic Concepts Review

Atomic Concepts Review

Assessment

Flashcard

Chemistry

9th - 12th 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 mass of an electron compared to a neutron?

Back

The mass of an electron is less than the mass of a neutron.

2.

FLASHCARD QUESTION

Front

What produces the characteristic bright-line spectrum of an atom?

Back

The characteristic bright-line spectrum is produced when electrons move from higher to lower energy levels.

3.

FLASHCARD QUESTION

Front

If an element has an atomic number of 35 and 40 neutrons, what can be said about it?

Back

The atom is bromine, and it has 35 electrons.

4.

FLASHCARD QUESTION

Front

What do all isotopes of sodium have in common?

Back

All isotopes of neutral sodium have 11 protons and 11 electrons.

5.

FLASHCARD QUESTION

Front

Which notations represent isotopes of each other?

Back

O-16 and O-18 are isotopes of each other.

6.

FLASHCARD QUESTION

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

7.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

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