Lesson 2 Quiz

........................ it is located alone in the upper left corner of the periodic table, has the simplest atoms , it is rarely found on earth as a pure element, this element makes up most of the sun.

• Hydrogen

• Hologens

• The noble gases

• Helium

Tags

NGSS.MS-PS1-1

........................ is a nonmetal that does not fall into a family because it`s chemical properties are very different from other elements also it is the simplest elements ( it contains 1 proton and 1 electron).

• Hydrogen

• Hologens

• The noble gases

• Helium

Tags

NGSS.MS-PS1-1

........................ are the least reactive nonmetals

• Hydrogen

• Hologens

• The noble gases

• Helium

What is the name of this group?

The modern periodic table has ........................ periods.

• 7

• 54

• 77

• 9

Some of the newly discovered elements do not yet have permanent names or symbols but in the future scientists will leave them without any names or symbols .

• True

• False

The higher the atomic number , the more difficult it is to synthesize new elements.

• True

• False

Tags

NGSS.HS-PS1-8

...................................and................................... are two additional rows standing alone in the bottom of the periodic table .

• Lanthanides

• Actinides

• Both A and B

The periodic table is useful for scientists

• True

• False

An element`s properties can be predicted by its location on the periodic table

• True

• False