Semester 1 Review

Front

Which part of the diagram represents the protons? Options: orange circles (+), green circles, blue circles (-), black rings

Back

orange circles (+)

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S8P1

Front

Which particles are positively charged and need to be separated so that they don't repel?

Back

protons

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S8P1

Front

In the decomposition of water, if the reaction begins with 4 atoms of hydrogen (H), how many hydrogen atoms (H) should be in the products?

Back

4 atoms of hydrogen (H)

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S8P1

Front

What prediction can you make about elements in the same family (group) on the periodic table?

Back

They are chemically reactive in a similar way.

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S8P1

Front

Helium, Neon, Argon, and Krypton are examples of

Back

noble gases.

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S8P1

Front

Nitrogen has an atomic number of 7 and a mass number of 14.007. Describe an atom of Nitrogen.

Back

Protons: 7 Neutrons: 7

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S8P1

Front

Examine the following equation: 2H₂ + O₂ → 2H₂O. What is the relation between the atoms shown by this equation?

Back

The arrangement of the atoms indicate a chemical change has occurred.

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S8P1

Front

A light is turned on. Identify the energy transformation(s).

Back

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S8P2

Front

At what point on the pendulum is the kinetic energy the greatest?

Back

C

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S8P2

Front

How is the heat energy transferred from burning logs in a fireplace to a cat getting warm?

Back

radiation

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S8P2