Periodic Table Unit Test Review

Periodic Table Unit Test Review

Assessment

Flashcard

Science

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an alkali metal?

Back

Alkali metals are elements found in Group 1 of the periodic table, characterized by having one valence electron, which makes them highly reactive. Example: Sodium (Na).

2.

FLASHCARD QUESTION

Front

Which element has an electron structure most similar to that of element X?

Back

To determine similarity in electron structure, compare the number of valence electrons. Elements in the same group have similar electron configurations.

3.

FLASHCARD QUESTION

Front

What is electronegativity?

Back

Electronegativity is a measure of how well an atom can attract and hold onto electrons in a chemical bond.

4.

FLASHCARD QUESTION

Front

Which element has the highest electronegativity among W, X, Y, and Z?

Back

Electronegativity increases across a period and decreases down a group. The element in the upper right corner of the periodic table typically has the highest electronegativity.

5.

FLASHCARD QUESTION

Front

How does the number of valence electrons affect reactivity?

Back

Elements with fewer valence electrons tend to be more reactive because they can easily lose electrons to achieve a stable electron configuration.

6.

FLASHCARD QUESTION

Front

What is the electron configuration of Sodium (Na)?

Back

The electron configuration of Sodium (Na) is 1s² 2s² 2p⁶ 3s¹.

7.

FLASHCARD QUESTION

Front

What are the properties of alkali metals?

Back

Alkali metals are soft, shiny, have low density, and are highly reactive, especially with water.

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