Chemistry group 2

How many electrons are in the s-subshell of group 2 elements

• 3

• 4

• 2

• 1

How does atomic radius vary down group 2

• it decreases

• it increases

• it remains constant

• none of the above

Which of the following is key in determining the atomic radius of an atom

• screening effect

• Nuclear charge

• Effective nuclear charge

• size of the atom

The following group 2 element exhibits diagonal relationship

• Calcium

• Barium

• Magnesium

• Berrylium

Which elements has the smallest atomic radius?

• Barium

• Berrylium

• Calcium

• Magnesium

One of the following elements burns in air with a characteristic brick-red flame

• Calcium

• Berrylium

• Magnesium

• Barium

The sulfate of the following element is insoluble.

• Calcium

• Barium

• Berrylium

• Magnesium

Which of the following elements has the highest value of second ionization energy?

• Barium

• Magnesium

• Berrylium

• Calcium

The group 2 element that forms a solution with the highest concentration of hydroxide ions is?

• Berrylium

• Calcium

• Barium

• Radium

State the trend in the melting point of group 2 elements.

• it decreases

• it remains constant

• it increases

• none of the above