Answer:
Are native to the reefs and rocky crevices of the Indo-Pacific, although they've found their way to warm ocean habitats worldwide.
Explanation:
Answer:
d) He, Ar, Kr
Explanation:
To have similar chemical properties, elements must belong to the same period on the periodic table.
As a generally periodic trend, elements within the same group, have the same chemical properties.
So, the correct answer choice will draft elements from the same group.
- He, Ar and Kr belongs to the group of elements called the noble gases.
- They are an unreactive group of elements.
- They are found in the last group on the periodic table.
- These elements do not readily combine with other elements.
Answer:
1600000
there are 1000 mm in one m, so when you multiply 1600 meters by 100 millimeters, one gets 1600000 millimeters
