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Eighth Grade Science S8P1.e LP2.2

Last updated over 6 years ago

5 questions

Note from the author:

S8P1.e LP2.2

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Question 1

1.

When sodium is mixed with water, an explosion takes place. Based on its location on the periodic table, how will potassium behave with water?

A. Potassium, which shares similar   properties with sodium, will explode in water.

B. Potassium, which shares similar properties with sodium, will not explode in water. 

C. Potassium, which does not share similar   properties with sodium, will explode in water.

Question 2

2.

Question 3

3.

Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr) are in the same column on the periodic table. Why are these elements in the same column on the periodic table?

A.  They have the same size. 

B. They react with each other. 

C. They have similar properties. 

D. They have the same number of protons. 

Question 4

4.

A. above calcium

B. below calcium 

C. to the left of calcium 

D. to the right of calcium 

Question 5

5.

A. 1 calcium atom, 1 carbon atom, and 3 oxygen atoms 

B. 1 calcium atom, 1 carbon atom, and 1 oxygen molecule 

C. 1 calcium molecule, 1 carbon molecule,   and 3 oxygen atoms

D. 1 calcium molecule, 1 carbon molecule,   and 1 oxygen molecule

D. Potassium, which does not share similar   properties with sodium, will not explode in water.

Which table correctly matches each particle with its location and charge?

A.

B.

C.

D.