Question

13. Which best describes the sequence of the elements in Period 5 of the periodic
table?
Highly reactive gases, relatively nonreactive metals, metalloids, very nonreactive gases, nonreactive metals
Highly reactive metals, relatively nonreactive metals, metalloids, reactive nonmetals, nonreactive gases
Nonreactive gases, metalloids, nonreactive metals, highly reactive metals, highly reactive gases
Nonreactive gases, nonreactive metals, highly reactive metals, metalloids, reactive nonmetals, reactive gases

14. Which is the best example of a chemical change?
Butter melting
Egg cooking
Paper tearing
Water evaporating

15. How would a large increase in the salinity of an estuary most likely affect the ecosystem of the estuary?
All organisms would die
All organisms would continue to live as the now do
The number of salt-tolerant organisms would increase, and the number of salt-intolerant organisms would decrease
The number of salt-intolerant organisms would increase, and the number of salt-tolerant organisms would decrease.

Answer 1

hmmmm

Answer 2

Is this a test.e.e

Answer 3

lol

Answer 4

Is ThiS a TesT?

Answer 5

e.e this has turned into a spam- adios

Answer 6

tests are for silly gooses hahaha

Answer 7

tests are for amateurs