Answer:
Beta rays are electrons.
Explanation:
A neutron in the nucleus of a radioactive atom decays into a proton and an electron, which is emitted from the atom.
Answer:
D. Microwave, Blue Visible Light, Ultraviolet, Gamma
Explanation:
colors longest to shortest are
red green blue violet
longest wavelength to shortest:
radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
Ununoctium, also known as eka-radon.
hope this helps!
% error = | accepted value - experimental value | / accepted value × 100
Step one- | 4.15mL - 4.26mL | = 0.11
Step two- 0.11 / 4.15 = 0.027
Step three- -0.027 × 100 = 2.7%
Answer: B. A chemical Change
Explanation:
The Burning of paper changes the paper into a new substance (ash). So the ashes cannot be reversed into paper, therefore it is a chemical change.