Chapter 11 Vocabulary Flashcards Preview

8th Grade Science > Chapter 11 Vocabulary > Flashcards

Flashcards in Chapter 11 Vocabulary Deck (14)
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1

Periodic

Describes something that occurs or repeats at regular intervals.

2

Periodic Law

The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.

3

Period

In chemistry, a horizontal row of elements in the periodic table.

4

Group/Family

A vertical column of elements in the periodic table; elements in a _____ share chemical properties.

5

Metals

Elements found to the left of the zigzag line on the periodic table.

6

Nonmetals

Elements found to the right of the zigzag line on the periodic table.

7

Metalloids/Semiconductors

Elements that border the zigzag line on the periodic table.

8

Alkali Metal

One of the elements of Group 1 of the periodic table (Lithium, sodium, potassium, rubidium, cesium, and francium).

9

Alkaline-Earth Metal

One of the elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, radium).

10

Transition Metal

One of the elements of Groups 3-12 of the periodic table.

11

Lanthanides

Elements in the first bottom row of the periodic table that follow lanthanum

12

Actinides

Elements in the second bottom row of the periodic table that follow actinium

13

Halogen

One of the elements of Group 17 of the periodic table (fluorine, chlorine, bromine, iodine, and astatine); _____ combine with most metals to form salts.

14

Noble Gas

One of the elements of Group 18 of the periodic table (helium, neon, argon, krypton, xenon, and radon); _____ are unreactive.