Atomic Theory

Atomic Theory

Assessment

Flashcard

Science

8th Grade

Practice Problem

Medium

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Wayground Content

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11 questions

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1.

FLASHCARD QUESTION

Front

How should Ben's second model differ from the first when modeling the motion of water and iron particles as the pot of water is heated?

Back

The water particles should slide past each other faster, and the iron particles should vibrate faster

2.

FLASHCARD QUESTION

Front

Which model would be most helpful to represent how gas molecules move in a container?

Back

Bouncing elastic balls off of each other and the walls of a room

3.

FLASHCARD QUESTION

Front

Why does a gas take the shape of its container, while solids of the same substance do not?

Back

The particles in the gas are farther apart and move faster than the particles in the solid.

4.

FLASHCARD QUESTION

Front

How does the behavior of particles in a solid prevent it from flowing from place to place?

Back

The particles are closely packed and have little empty space between them.

5.

FLASHCARD QUESTION

Front

Based on the provided Periodic Table of Elements, which of the following sets of elements have similar properties? Options: Pb-82, Sn-50, Kr-36; Ne-10, N-7, O-8; Cl-17, Br-35, I-53; O-8, S-16, N-7

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Back

Cl-17, Br-35, I-53

6.

FLASHCARD QUESTION

Front

Which statement correctly contrasts a compound and a mixture?

Back

A compound is made of a fix ratio of two or more elements chemically combined, and a mixture can contain two or more compounds physically combined.

7.

FLASHCARD QUESTION

Front

How are elements arranged in the periodic table? Options: by decreasing atomic mass, by increasing atomic number, by chemical name, by repeating atomic number.

Back

by increasing atomic number

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