Answer:
They share the same number of electrons in their valence subshells.
Explanation:
They have the same number of electrons on the outer shell.
B
All cells new oxygen and blood is a way for them to get it
Na 2Co3
1*23=23. 2*12=24. 6*16=96
23+24+96=143
(23*100)/143. (24*100)/143. (96*100)/143
=16%. =16.7%. =67.1%
It should be 24g of carbon
Combustion will cause a chemical change in paper.
This is because the carbon compounds are being oxidized into carbon dioxide and water vapour (or h2o, same thing).
