Answer:
what
Explanation:
I cant see your question yet
C. Temperature the average <span> kinetic energy of the particles in an object is directly proportional to its temperature </span>
Cart b because it has greater force and higher mass
Answer: BeO
Explanation:
percent by mass of oxygen
percent by mass of oxygen in BeO
percent by mass of oxygen in MgO
percent by mass of oxygen in CaO
percent by mass of oxygen in SrO
The answer: Periods form horizontal rows, groups form vertical columns
Explanation:
The horizontal rows on the periodic table are called periods, while the verticals columns are called groups. Elements that are in the same group have similar properties. For example Group 1 is called the alkali metals. These are all soft, reactive metals.