An element, ‘A’, has 3 shells of electrons. Its 3rd shell contains 7 electrons. ‘A’ covalently bonds to hydrogen. Describe and explain the bonding in the molecule that is formed.

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Newtons second law deals most cosely with