Formative 1D: Element Characteristics

Which elements likely share chemical properties?

• fluorine (F)

• calcium (Ca)

• copper (Cu)

• gold (Au)

• sodium (Na)

• potassium (K)

• magnesium (Mg)

• silicon (Si)

• carbon (C)

• iodine (I)

Answer explanation

Remember if they're in the same group (column) they will share similar properties.

An unknown metal has the following properties:

• -has a low melting point

• -floats in water

• -reacts vigorously with water

To what group on the periodic table does this metal most likely belong?

• Group 1

• Group 2

• Group 11

• Group 13

Tags

NGSS.HS-PS1-1

Match the section of the diagram with the properties of its elements.

• 4

• Elements here can be easily cut and have large atomic radii

• 3

• Elements here can be shiny, brittle, and good conductors

• 2

• Elements here can be both highly reactive and nonreactive

• 1

• Elements here can be shiny, ductile, and malleable

Tags

NGSS.HS-PS1-1

Helium (He) is in period ​ (a)   . Tin (Sn) is in period ​ (b)   . Oxygen (O) is in period ​ (c)   . Gold (Au) is in period ​ (d)   .Radium (Ra) is in period ​ (e)   .

• 1
• 5
• 2
• 6
• 7
• 3
• 4

Which two statements correctly describe the elements located in the highlighted group?

• They are all metals.

• They all form anions.

• They all have one valence electron.

• They are all gases at room temperature.

• They all form ions by losing two electrons.

The elements rubidium (Rb) and cesium (Cs) are located in which section of the periodic table?

• 
  transition metals

• 
  alkaline earth metals

• 
  alkali metals

• 
  halogens