G8 Science M7 W3 (Quiz)

Drag the correct contribution per Scientist:

1. Mendeleev :​ ​ (a)  

2. Lavoisier : ​ ​ (b)  

3. Moseley : ​ (c)  

4. Ramsay : ​ (d)  

5. De Chancourtois : ​ ​ (e)  

• elements in increasing atomic mass
• 4 categories of elements in simple substances
• elements in increasing atomic number
• noble gases
• Tellurix helix

What is the other term for Oxygen family?

A Liquid Element under Non-Metals.

Atomic radius generally increases as we move​__________________.

• up a group and from left to right across a period

• down a group and from right to left across a period

• up a group and from right to left across a period

• down a group; the period position has no effect

Of the atoms below, ​ (a)   is the most electronegative.

• Chlorine
• Silicon
• Rubidium
• Calcium
• Sulfur

The amount of energy that is needed to remove the first electron from an atom.

• First Ionization Energy

• Second Ionization Energy

• Third Ionization Energy

• Fourth Ionization Energy

Group B or Family B Elements is also called as

It is a period that has 32 elements corresponding to the 32 electrons in the s-, p-, d-, and f-sublevels.

This element is widely used in cans and alloys; used in making utensils and weapons.

It is a block that consists of 28 elements grouped into lanthanides and actinides.