Hey there!
27 tells us the sum of protons and neutrons is 27.
Al tells us we have 13 protons.
3- tells us that there are 3 more electrons than protons.
13 + n = 27
neutrons = 14
13 + 3 = 16 electrons
27Al3- has 13 protons, 14 neutrons, and 16 electrons.
Hope this helps!
Answer:
4:Chlorophyll. 6. Photosynthesis 8. Glucose
Explanation:
I think this is the answer, carbon equals atomic number six which means it's the sixth element on the periodic table and then it has six protons. So the nucleus will have one, two, three, four, five, six protons which are all positively charged. ... So, if you add a proton to a carbon nucleus, you'll get nitrogen. Hope it helped!
Answer: A. Carbonyl Group
Explanation:
A carbonyl group, is a functional group made-up of a carbon atom double- bonded to oxygen in organic chemistry. Basic carbonyl groups are ; Aldehydes and Ketones.
Physical change will not change the composition of a substance.