Module 5: The Periodic Table, Law, & Trends

Module 5: The Periodic Table, Law, & Trends

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Sandra Starr

FREE Resource

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33 questions

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1.

FLASHCARD QUESTION

Front

Bohr model

Back

An atomic model, proposed by Niels Bohr in 1913, that describes the atom as a central nucleus with electrons orbiting in fixed, discrete energy levels or 'shells'.

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2.

FLASHCARD QUESTION

Front

Electron (or Lewis) Dot Structure model

Back

A diagram that visually represents the valence electrons of an atom or molecule using dots around the element's symbol.

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3.

FLASHCARD QUESTION

Front

Ground State

Back

The lowest allowable energy state of an atom.

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4.

FLASHCARD QUESTION

Front

Excited State

Back

When an electron occupies a higher energy level than ground state.

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5.

FLASHCARD QUESTION

Front

Emission Spectrum

Back

The set of specific light wavelengths emitted by an atom or substance when its electrons lose energy and fall from a higher to a lower energy state.

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6.

FLASHCARD QUESTION

Front

Flame test

Back

A qualitative analytical test that identifies metal ions in a compound by observing the distinct color they produce when heated in a flame.

7.

FLASHCARD QUESTION

Front

Antoine Lavoisier

Back

18th-century French chemist widely considered the 'father of modern chemistry'.

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