Answer:
Calendar and periodic table both have repetitive patterns.
Explanation:
In calendar the days are arranged and divided into weeks whereas in the periodic table the elements are arranged in increasing atomic number and divided into groups
The mass number of element is 22.
The mass number is the sum of number of electrons/proton and number of neutron .
Mass number = number of proton/electron + number of neutrons
If an element with 11 neutrons, 11 protons, and 11 electrons then mass number is calculated as,
Mass number = number of proton/electron + number of neutrons
Mass number = 11 + 11 = 22
learn about element
brainly.com/question/14347616
#SPJ4
The number of shells increase, the energy level their outer shell have decreases as we go down wards,
Answer:
I believe physical
Explanation:
If you step on the bag of chips, it would reduce them to crumbs. Wouldn't this be a physical change in the chips?
