Choose all the answers that apply. Neon (Ne) is in group 18 and period 2. Which of the following is true?
O Neon doesn't react with other elements under normal conditions.
O Neon is a gas under normal conditions.
O Neon has two electron shells.
O Neon is part of the metal group.
O Neon is a noble gas.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.