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- 1. Multiple Choice
The following are example of Alkali earth metal, except;
- 2. Multiple Choice
This elements is present in shells and bones.
Magnesium
Calcium
Potassium
Iron
- 3. Multiple Choice
Which of the following example has a krypton element?
Flashlight
Advertising signs
Fireworks
Lasers
- 4. Multiple Choice
Which of the following is not belong in family 1?
- 5. Multiple Choice
Which of the following elements found in Family 1 Period 2?
Beryllium
Sodium
Hydrogen
Lithium
- 6. Fill in the Blank
Each horizontal row of the Periodic table is called ____
- 7. Multiple Choice
Which of the following does not describe the alkali earth metal?
Alkali metal has high density, metallic luster and good in electrical and thermal conductivity.
They form compounds by losing, or in the case of beryllium, sharing two electrons per atom
alkali metal are heavy metals because their atoms are relatively small and their large numbers of protons and neutrons give them relatively large masses.
The alkali metals also react readily with many other types of chemicals, including acids, sulfur, phosphorus, the halogens (Group VIIA), and, with the exception of beryllium, hydrogen.
- 8. Multiple Choice
The vertical columns are called groups or families that has_________.
different properties due to their atomic number
similar physical properties and they have the same number of electron
similar chemical properties due to their similarities in the number of electrons in their outer shells.
similar physical properties due to their similarities in the number of electrons in their outer shells.
- 9. Multiple Choice
Periodic table consists of horizontal rows are called _______
period or series, and the elements belonging to same periods have different properties.
period or series, and the elements belonging to same periods have similar properties.
period or series have a unique properties
- 10. Multiple Choice
What happen to the metallic properties of an elements as you go from left to right?
Increasing
The same
Decreasing
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