Answer:
yes (true)
Explanation:
Star gazing has started to become a more popular hobby in todays world due to the pandemic
A. Two electrodes separated by an electrolyte that can generate an electrical current.
Answer:
126.8, Iodine
Explanation:
- mass ×abundance/100
- (126.9045×80.45/100)+(126.0015×17.23/100)+(128.2230×2.23/100)
- 102.1+21.7+3=126.8
<em>IODINE</em><em> </em><em>has</em><em> </em><em>an</em><em> </em><em>atomic</em><em> </em><em>mass</em><em> </em><em>of</em><em> </em>126.8 or 126.9
Heptane means seven carbon atoms and since the general formula is CnH2n+2, heptane will be C7H16
Answer:
The atomic radius increases down the group because more shell are added
Explanation:
Al >B
Na>Al
S>O
O>F
Br>Cl
Mg>Ca
