Atomic Structure and Periodic Table 2022

Atomic Structure and Periodic Table 2022

Assessment

Flashcard

Chemistry

9th 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 Electronegativity?

Back

Electronegativity is how good an atom is at attracting electrons.

2.

FLASHCARD QUESTION

Front

Which element has the LESSER electronegativity: Cl or Al?

Back

Al has the lesser electronegativity compared to Cl.

3.

FLASHCARD QUESTION

Front

What is the FULL electron configuration for Ca2+?

Back

The full electron configuration for Ca2+ is 1s2 2s2 3s2 3p6.

4.

FLASHCARD QUESTION

Front

Why was Mendeleev's periodic table unique?

Back

Mendeleev's periodic table was unique because it predicted undiscovered elements.

5.

FLASHCARD QUESTION

Front

What element has the electron configuration 1s2 2s2 2p6 3s2 3p3?

Back

The element with this electron configuration is Phosphorus (P).

6.

FLASHCARD QUESTION

Front

Define Atomic Number.

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

7.

FLASHCARD QUESTION

Front

What is the significance of the Periodic Table?

Back

The Periodic Table organizes elements based on their atomic number, electron configurations, and recurring chemical properties.

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