Group 2 Alkili Earth Metals

Question 1

what are group 2 elements called?

Answer 1

Alkaline earth metals

Question 2

Describe the method of the test of group two metals with water

Answer 2

1. Fill a test tube half full with water
2. Drop a piece of calcium (testing element) into the water
3. Hold an empty test-tube over the first test tube, as shown in order to collect any gas that is produced
4. After one minute, test the gas in the top tube with lighted splint
5. Add five drops of Universal Indicator to the lower tube
6. Repeat the above, with each testing element, using fresh, clean test tubes
7. Record results in a table

Question 3

Put the group two metals in order of reactivity, from most reactive.

Answer 3

Radium, barium, strontium, calcium, magnesium, beryllium.

Question 4

What happens when calcium is reacted with water?

Answer 4

Lots of effervescence, when tested for gas (pop and flame produced) positive, is present

Question 5

What is the trend in reactivity in group 2 metals?

Answer 5

As you go down the group, the reactions become more vigorous.

Question 6

Are the group 2 metals more or less reactive than the group 1 metals?

Answer 6

Less reactive