Can uh ppl help in suggesting any good idea or topic for a chemistry project ? it's not actually.. but with a broader view , an investigatory project .

it would be better if the topic ranges for an 11th - 12th grader ~

✯ hope to see some good ideas and no spamming of course ~

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

Which position represents spring in the southern hemisphere? a) b) c) d)

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space