Unit 2 Reivew: Periodic Table and Chemical Reactions

Unit 2 Reivew: Periodic Table and Chemical Reactions

Assessment

Flashcard

Science

6th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

2.

FLASHCARD QUESTION

Front

What are metals?

Back

Elements that are typically solid at room temperature (except mercury), good conductors of heat and electricity, and have a shiny appearance.

3.

FLASHCARD QUESTION

Front

What is malleability?

Back

The ability of a material, especially metals, to be deformed or shaped under compressive stress without breaking.

4.

FLASHCARD QUESTION

Front

What is electrical conductivity?

Back

The ability of a material to conduct an electric current, which is a characteristic property of metals.

5.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances, often indicated by changes in temperature, color, or the production of gas.

6.

FLASHCARD QUESTION

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals, such as silicon and boron.

7.

FLASHCARD QUESTION

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

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