SPS1 - Periodic Table and Atomic Structure

SPS1 - Periodic Table and Atomic Structure

Assessment

Flashcard

Science

8th 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 the atomic mass of silicon?

Back

28.1

2.

FLASHCARD QUESTION

Front

What makes noble gases like neon unlikely to combine with other elements?

Back

They have a full octet (complete outer energy level) of electrons.

3.

FLASHCARD QUESTION

Front

Which element is found in a family that contains metals, nonmetals, and metalloids?

Back

Lead (Pb)

4.

FLASHCARD QUESTION

Front

What phase do most metalloids exist in at room temperature?

Back

Solid

5.

FLASHCARD QUESTION

Front

What is an electrically charged atom or group of atoms called?

Back

Ion

6.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

What is the significance of valence electrons?

Back

They determine how an element reacts chemically with other elements.

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