SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Ashton noticed that Cu, Zn, and Ga are in the same horizontal row in the periodic table. What did she correctly conclude about these elements?
|
|
They belong to the same section.
|
|
|
They belong to the same period.
|
|
|
They belong to the same family.
|
|
|
They belong to the same group.
|
Explanation:
Detailed explanation-1: -The horizontal rows of the periodic table are called periods.
Detailed explanation-2: -CONCLUSION: Mendeleev had proposed a periodic table based on the mass number and properties of elements. Elements with similar properties were placed in the same group and arranged to increase atomic masses. He predicted some elements that were yet to be discovered and their properties too.
Detailed explanation-3: -The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.
There is 1 question to complete.