Elements and the Periodic Table

Elements and the Periodic Table

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

The spontaneous emission of radiation by an unstable atomic nucleus is called __________.

Back

radioactivity

2.

FLASHCARD QUESTION

Front

A column of elements in the periodic table is called a group, or __________.

Back

family

3.

FLASHCARD QUESTION

Front

Each element is given a specific _______ _______ that usually consists of one or two letters.

Back

chemical symbol

4.

FLASHCARD QUESTION

Front

Mendeleev created the first periodic table by arranging elements in order of __________.

Back

increasing atomic mass

5.

FLASHCARD QUESTION

Front

At room temperature, more than half of the nonmetals elements are __________.

Back

gases

6.

FLASHCARD QUESTION

Front

The horizontal rows in the periodic table are called __________.

Back

periods

7.

FLASHCARD QUESTION

Front

Elements in the same group of the periodic table have similar __________.

Back

chemical properties

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