Answer:
This isotope of fluorine has 9 protons, 9 electrons and 10 neutrons.
Explanation:
Answer:
57
Explanation:
57 it's a good thing I didn't get a chance
A = piR^2
a = pi × (8÷2)^2
a = pi × 4^2
a = pi × 16
a =50.27ft^2
<span>1 The change of matter from a solid state to a gas state is called sublimation.
</span><span>2. When a solute is completely dissolved in a solvent, a solution is formed. (A)
3. Base are used in </span><span>Used in ammonia, Alka-Seltzer, and dish soap
</span><span>
4. </span><span>TRUE . Simple devices lower the required input force.
5. FALSE. It's the opposite.</span>
Answer:
[Ar] 3d10 4s2 4p4
Explanation:
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
