The density of ice is 0.9167 g/cm<span>3</span>
Answer:
B
Explanation:
it flows by the conduction currents
Answer:
Periods
Explanation:
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
Answer:
Helium has 2 electrons
Explanation:
If this is correct or helpful pls consider brainliest!
Answer:
True
Explanation:
Both work because an element would be pure and compounds can be split into elements. This will work unless the substance isnt chemcially pure, but in this case it is so the answer would be true.