Group 1 metals pt 2

Question 1

What is the electron configuration of Lithium (Li) ?

Answer 1

2,1

Question 2

What is the electron configuration of sodium (Na)?

Answer 2

2,8,1

Question 3

What is the electron configuration of potassium (K)

Answer 3

2,8,8,1

Question 4

What happens when lithium reacts with oxygen?

Answer 4

It burns with a red flame and forms white lithium oxide

Question 5

What happens when lithium reacts with water?

Answer 5

Lithium floats on the surface and releases bubbles of hydrogen gas, it reacts vigorously

Question 6

What happens when potassium reacts with water?

Answer 6

The metal floats on surface and then burns with lilac flame

Question 6

What happens when sodium reacts with water?

Answer 6

The sodium floats on the surface of the water and releases enough heat to melt the sodium into a ball, the sodium moves quickly across the water.

Question 7

What happens when metals react with water?

Answer 7

They form metal hydroxides and hydrogen gas

Question 8

What happens as you go down group 1?

Answer 8

-attraction between positive nucleus and negative outer electrons becomes weaker so electrons are lost more easily and atoms gain more electron shells.
-reactions become quicker and more vigorous