Answer:
A periodic trend is a regular variation the properties of an element with increasing atomic number.
Explanation:
Answer:
i believe the answer is B.
Explanation :
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
Answer: Bromine is Actually a Halogen!
Explanation: Bromine is in the 7th column of the Periodic Table. It needs that magic 8 valence electrons and it has 7.
Hoped that helped!
Answer:
the answer is no.
Explanation:
Basically they move at different speeds because they are not all identical in the earth.
C. Gamma rays have a shorter wavelength than X-rays.